关于阿荣旗作业题目免费答案的搜索结果

1：内蒙大通道是一条未封闭的高速公路，东起呼伦贝尔市的阿荣旗、西至鄂尔多斯市的苏家河畔，一队自驾游爱好者沿内蒙大通道从阿荣旗行驶到集宁（如下图），考察了沿途风土民情。据此完成下列各题。

2016-2017学年河北省石家庄市高一下学期学情反馈（一）地理试卷（解析版）内蒙大通道是一条未封闭的高速公路，东起呼伦贝尔市的阿荣旗、西至鄂尔多斯市的苏家河畔，一队自驾游爱好者沿内蒙大通道从阿荣旗行驶到集宁
https://www.ouer.net/chuzhongdini/73wb.html - 2023-01-12 15:33:15 - 中学地理试题
2：小芳发现，同一时间阿荣旗夏季天气黑得较晚，冬季天黑得较早，如漫画所示，造成昼夜长短差异的原因是（） A.月球的自转 B.月球的公转 C.地球的自转 D.地球的公转

内蒙古呼伦贝尔市阿荣旗2016-2017学年七年级上学期期末地理试卷小芳发现，同一时间阿荣旗夏季天气黑得较晚，冬季天黑得较早，如漫画所示，造成昼夜长短差异的原因是（）A.月球的自转B.月球的公转C.地球的自转
https://www.ouer.net/chuzhongdini/n8za.html - 2022-04-04 05:43:23 - 中学地理试题
3：2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷

https://www.ouer.net/shijuan/ucf.html - 2021-12-19 14:28:20 - 试卷信息
4：2020年内蒙古呼伦贝尔市阿荣旗中考一模化学试卷

https://www.ouer.net/shijuan/h3a.html - 2021-12-18 13:49:02 - 试卷信息
5：内蒙古呼伦贝尔市阿荣旗2016-2017学年七年级上学期期末地理试卷

https://www.ouer.net/shijuan/ebf.html - 2021-12-21 11:17:11 - 试卷信息
6：School violence______much attention of the whole society and people are calling on the government to...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷Schoolviolece______muchaeioofhewholesocieyadpeopleaecalligohegovemeo...
https://www.ouer.net/chuzhongyingyu/hd5b.html - 2022-05-23 05:59:22 - 中学英语试题
7：Great changes have taken place in our city in the past ten years. Everything ______comes into sight ...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷Geachageshaveakeplaceiouciyihepaseyeas.Eveyhig______comesiosigh...
https://www.ouer.net/chuzhongyingyu/hd5c.html - 2022-05-23 06:02:22 - 中学英语试题
8：She can play the ___________[pɪ'ænəʊ].

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷Shecaplayhe___________[pɪ'æəʊ].
https://www.ouer.net/chuzhongyingyu/hd4s.html - 2022-05-23 04:59:15 - 中学英语试题
9：On his way back home, Frank lost his wallet because of his _____ （粗心）.

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷Ohiswaybackhome,Fakloshiswallebecauseofhis_____（粗心）.
https://www.ouer.net/chuzhongyingyu/hd48.html - 2022-05-23 05:31:01 - 中学英语试题
10：The book is too expensive. I think I will b________ one from the library.

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷Thebookisooexpesive.IhikIwillb________oefomhelibay.
https://www.ouer.net/chuzhongyingyu/hd40.html - 2022-05-23 05:09:17 - 中学英语试题
11：—_____ heavy the rainstorm is! —Yes, the town has experienced the most serious flood during the past...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷—_____heavyheaisomis!—Yes,heowhasexpeiecedhemosseiousfloodduighepas...
https://www.ouer.net/chuzhongyingyu/hd6k.html - 2022-05-23 07:13:19 - 中学英语试题
12：During the summer h________ ,I will take part in a two-week work experience activity.

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷Duighesummeh________,Iwillakepaiawo-weekwokexpeieceaciviy.
https://www.ouer.net/chuzhongyingyu/hd4w.html - 2022-05-23 05:04:26 - 中学英语试题
13：More and more people like bicycling and it is no surprise. It is fun, healthy and good for the envir...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷Moeadmoepeoplelikebicycligadiisosupise.Iisfu,healhyadgoodfoheevi...
https://www.ouer.net/chuzhongyingyu/hd51.html - 2022-05-23 06:24:11 - 中学英语试题
14：Among the four seas off the coast of China, East China Sea is the second ________. A.deep B.deeper C...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷AmoghefouseasoffhecoasofChia,EasChiaSeaishesecod________.A.deepB.deepeC...
https://www.ouer.net/chuzhongyingyu/hd6h.html - 2022-05-23 07:09:29 - 中学英语试题
15：Hong Kong is _________ [ˈfeɪməs] as “the Shopping Heaven”.

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷HogKogis_________[ˈfeɪməs]as“heShoppigHeave”.
https://www.ouer.net/chuzhongyingyu/hd4x.html - 2022-05-23 05:07:15 - 中学英语试题
16：As we know, _____________ (星期一) is the second day of a week.

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷Aswekow,_____________(星期一)ishesecoddayofaweek.
https://www.ouer.net/chuzhongyingyu/hd46.html - 2022-05-23 05:26:08 - 中学英语试题
17：—With the development of science and technology, robot cooks______in our families in the future. —I ...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷—Wihhedevelopmeofscieceadechology,obocooks______ioufamiliesihefuue.—I...
https://www.ouer.net/chuzhongyingyu/hd5m.html - 2022-05-23 07:00:15 - 中学英语试题
18：According to a recent survey, ______three fifths of working mothers in China don't want to have a se...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷Accodigoaecesuvey,______heefifhsofwokigmohesiChiado'waohavease...
https://www.ouer.net/chuzhongyingyu/hd5k.html - 2022-05-23 05:53:29 - 中学英语试题
19：I am used to walking home after school. One day, on my way home, I saw Xu Dong standing on the other...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷Iamusedowalkighomeafeschool.Oeday,omywayhome,IsawXuDogsadigoheohe...
https://www.ouer.net/chuzhongyingyu/hd5v.html - 2022-05-23 06:13:10 - 中学英语试题
20：Please turn to page______and take a look at the picture on it. A.the eightieth B.eightieth C.eightie...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷Pleaseuopage______adakealookahepicueoi.A.heeighiehB.eighiehC.eighie...
https://www.ouer.net/chuzhongyingyu/hd57.html - 2022-05-23 06:46:05 - 中学英语试题
21：Many young people put mobile games______anything else, Thinking little of their normal lives. A.alon...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷Mayyougpeoplepumobilegames______ayhigelse,Thikiglileofheiomallives.A.alo...
https://www.ouer.net/chuzhongyingyu/hd6b.html - 2022-05-23 07:19:43 - 中学英语试题
22：When Rebecca was a middle school student, she was often bullied（欺凌）.At that time, she didn’t want to...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷WheRebeccawasamiddleschoolsude,shewasofebullied（欺凌）.Ahaime,shedid’wao...
https://www.ouer.net/chuzhongyingyu/hd5r.html - 2022-05-23 06:04:03 - 中学英语试题
23：Title: Inner voice helps a lot throughout our lives. When you couldn't open your mouth till the firs...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷Tile:Ievoicehelpsalohoughououlives.Wheyoucould'opeyoumouhillhefis...
https://www.ouer.net/chuzhongyingyu/hd4c.html - 2022-05-23 04:53:06 - 中学英语试题
24：The broken ______may cut into your hand if you touch it, you should be careful. A.glass B.glasses C....

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷Theboke______maycuioyouhadifyououchi,youshouldbecaeful.A.glassB.glassesC....
https://www.ouer.net/chuzhongyingyu/hd56.html - 2022-05-23 06:40:23 - 中学英语试题
25：Flight 846 _____ （降落） safely ten minutes ago with 300 passengers.

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷Fligh846_____（降落）safelyemiuesagowih300passeges.
https://www.ouer.net/chuzhongyingyu/hd44.html - 2022-05-23 05:22:08 - 中学英语试题
26：—What do you think of the fish? —Oh，it ________(尝起来) good.

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷—Whadoyouhikofhefish?—Oh，i________(尝起来)good.
https://www.ouer.net/chuzhongyingyu/hd42.html - 2022-05-23 05:16:14 - 中学英语试题
27：Lisa’s Gym Keep fit! Lose weight! Play basketball, do yoga(瑜伽), dance and meet many new friends! Pr...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷Lisa’sGymKeepfi!Loseweigh!Playbaskeball,doyoga(瑜伽),daceadmeemayewfieds!P...
https://www.ouer.net/chuzhongyingyu/hd5u.html - 2022-05-23 06:09:58 - 中学英语试题
28：—______! Something is falling down from the tall building. —Dear me! it's dangerous. A.Look out B.He...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷—______!Somehigisfalligdowfomheallbuildig.—Deame!
https://www.ouer.net/chuzhongyingyu/hd5h.html - 2022-05-23 05:51:04 - 中学英语试题
29：—I'm a little hungry, Daddy. —See the cupcakes on the plate? But you can only take______. Dinner is ...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷—I'malilehugy,Daddy.—Seehecupcakesoheplae?Buyoucaolyake______.Dieis...
https://www.ouer.net/chuzhongyingyu/hd59.html - 2022-05-23 06:53:04 - 中学英语试题
30：Sunday, July 8th, 2012 We arrived in Kunming by train. It’s an old city with a history of more than...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷Suday,July8h,2012WeaivediKumigbyai.I’saoldciywihahisoyofmoeha...
https://www.ouer.net/chuzhongyingyu/hd5x.html - 2022-05-23 06:19:06 - 中学英语试题
31：—Are you a fan of the science TV show Super Brain? —Yes, I'm always _____ by these people's great br...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷—AeyouafaofhescieceTVshowSupeBai?
https://www.ouer.net/chuzhongyingyu/hd5z.html - 2022-05-23 05:48:13 - 中学英语试题
32：— Come on, Sandy. Everybody will be ________(成功的) sometimes in their life. — Thanks, I’ll try again....

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷—Comeo,Sady.Eveybodywillbe________(成功的)someimesiheilife.—Thaks,I’llyagai....
https://www.ouer.net/chuzhongyingyu/hd4e.html - 2022-05-23 05:37:22 - 中学英语试题
33：—It's useful for the deaf people to learn sign language. —Yes, it's a major way of _____ for them. A...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷—I'susefulfohedeafpeopleoleasiglaguage.
https://www.ouer.net/chuzhongyingyu/hd6n.html - 2022-05-23 07:04:07 - 中学英语试题
34：Japan, ______country in Asia , will hold ______ 32th Olympic Games in August, 2021. A.a; a B.a; the ...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷Japa,______couyiAsia,willhold______32hOlympicGamesiAugus,2021.A.a;aB.a;he...
https://www.ouer.net/chuzhongyingyu/hd54.html - 2022-05-23 06:34:04 - 中学英语试题
35：（+2）（2）= ．

2011-2012学年内蒙古呼伦贝尔市阿荣旗复兴中学九年级（上）期中数学试卷（解析版）（+2）（2）=．
https://www.ouer.net/chuzhongshuxue/nr545.html - 2023-04-28 06:55:22 - 中学数学试题
36：A: Hello, Xiao Hong! B: Hello! A: You look a little unhappy. 1. B: Yes. It’s just my mom. She always...

2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷A:Hello,XiaoHog!B:Hello!
https://www.ouer.net/chuzhongyingyu/hd30.html - 2022-05-23 03:56:24 - 中学英语试题
37：二次函数y=+2的顶点坐标为．

2016-2017学年内蒙古呼伦贝尔市阿荣旗九年级上期末数学卷（解析版）二次函数y=+2的顶点坐标为．
https://www.ouer.net/chuzhongshuxue/nhh5c.html - 2023-03-10 03:06:55 - 中学数学试题
38：已知≈1.414，则的整数部分是．

2011-2012学年内蒙古呼伦贝尔市阿荣旗复兴中学九年级（上）期中数学试卷（解析版）已知≈1.414，则的整数部分是．
https://www.ouer.net/chuzhongshuxue/nr546.html - 2023-04-28 06:55:59 - 中学数学试题
39：根据下表所给的数据，判断不能制得合金的是（）金属 Na K Al Cu Fe 熔点/℃ 97.8 93.6 660 1083 1535 沸点/℃ 883 774 2200 2595 2750 A....

2020年内蒙古呼伦贝尔市阿荣旗中考一模化学试卷根据下表所给的数据，判断不能制得合金的是（）金属NaKAlCuFe熔点/℃97.893.666010831535沸点/℃883774220025952750A
https://www.ouer.net/chuzhonghuaxue/nesk.html - 2022-04-07 06:16:14 - 中学化学试题
40：用适当的方法解方程：﹣5x﹣14=0．

2016-2017学年内蒙古呼伦贝尔市阿荣旗九年级上期末数学卷（解析版）用适当的方法解方程：﹣5x﹣14=0．
https://www.ouer.net/chuzhongshuxue/nhh4f.html - 2023-03-10 02:53:55 - 中学数学试题
41：抛物线y=+4x﹣4的对称轴是．

2016-2017学年内蒙古呼伦贝尔市阿荣旗九年级上期末数学卷（解析版）抛物线y=+4x﹣4的对称轴是．
https://www.ouer.net/chuzhongshuxue/nhh42.html - 2023-03-10 02:59:40 - 中学数学试题
42：已知+|y+2|=0．求xy的值．

2011-2012学年内蒙古呼伦贝尔市阿荣旗复兴中学九年级（上）期中数学试卷（解析版）已知+|y+2|=0．求xy的值．
https://www.ouer.net/chuzhongshuxue/nr54e.html - 2023-04-28 06:57:59 - 中学数学试题
43：下列图形中，是中心对称图形的是（）. A． B． C． D．

2016-2017学年内蒙古呼伦贝尔市阿荣旗九年级上期末数学卷（解析版）下列图形中，是中心对称图形的是（）.A．B．C．D．
https://www.ouer.net/chuzhongshuxue/nhh5x.html - 2023-03-10 03:09:40 - 中学数学试题
44：天气的突出特点是（） A.多变 B.稳定 C.冷热 D.风雨

内蒙古呼伦贝尔市阿荣旗2016-2017学年七年级上学期期末地理试卷天气的突出特点是（）A.多变B.稳定C.冷热D.风雨
https://www.ouer.net/chuzhongdini/n8nf.html - 2022-04-04 04:51:20 - 中学地理试题
45：天气预报中表示沙尘暴的天气符号是（） A. B. C. D.

内蒙古呼伦贝尔市阿荣旗2016-2017学年七年级上学期期末地理试卷天气预报中表示沙尘暴的天气符号是（）A.B.C.D.
https://www.ouer.net/chuzhongdini/n8ns.html - 2022-04-04 04:59:08 - 中学地理试题
46：发明“联合制碱法”的科学家是 A. 侯德榜 B. 门捷列夫 C. 道尔顿 D. 拉瓦锡

2020年内蒙古呼伦贝尔市阿荣旗中考一模化学试卷发明“联合制碱法”的科学家是A.侯德榜B.门捷列夫C.道尔顿D.拉瓦锡
https://www.ouer.net/chuzhonghuaxue/nesc.html - 2022-04-07 06:26:04 - 中学化学试题
47：能保持氧气化学性质的微粒是（） A.氧元素 B.氧原子 C.氧离子 D.氧分子

2020年内蒙古呼伦贝尔市阿荣旗中考一模化学试卷能保持氧气化学性质的微粒是（）A.氧元素B.氧原子C.氧离子D.氧分子
https://www.ouer.net/chuzhonghuaxue/neuz.html - 2022-04-07 07:22:16 - 中学化学试题
48：已知圆锥的底面圆半径为3，母线长为5，则圆锥的侧面积是．

2016-2017学年内蒙古呼伦贝尔市阿荣旗九年级上期末数学卷（解析版）已知圆锥的底面圆半径为3，母线长为5，则圆锥的侧面积是．
https://www.ouer.net/chuzhongshuxue/nhh44.html - 2023-03-10 03:00:55 - 中学数学试题
49：二次函数y=﹣2x﹣3与x轴的交点个数有个．

2016-2017学年内蒙古呼伦贝尔市阿荣旗九年级上期末数学卷（解析版）二次函数y=﹣2x﹣3与x轴的交点个数有个．
https://www.ouer.net/chuzhongshuxue/nhh45.html - 2023-03-10 03:01:32 - 中学数学试题
50：黄种人主要分布在（） A.亚洲 B.欧洲 C.大洋洲 D.拉丁美洲

内蒙古呼伦贝尔市阿荣旗2016-2017学年七年级上学期期末地理试卷黄种人主要分布在（）A.亚洲B.欧洲C.大洋洲D.拉丁美洲
https://www.ouer.net/chuzhongdini/n8au.html - 2022-04-04 03:51:06 - 中学地理试题

大家查题吧

关于搜索阿荣旗考点的试题

1：内蒙大通道是一条未封闭的高速公路，东起呼伦贝尔市的阿荣旗、西至鄂尔多斯市的苏家河畔，一队自驾游爱好者沿内蒙大通道从阿荣旗行驶到集宁（如下图），考察了沿途风土民情。据此完成下列各题。

2：小芳发现，同一时间阿荣旗夏季天气黑得较晚，冬季天黑得较早，如漫画所示，造成昼夜长短差异的原因是（ ） A.月球的自转 B.月球的公转 C.地球的自转 D.地球的公转

3：2020年内蒙古呼伦贝尔市阿荣旗中考一模英语试卷

4：2020年内蒙古呼伦贝尔市阿荣旗中考一模化学试卷

5：内蒙古呼伦贝尔市阿荣旗2016-2017学年七年级上学期期末地理试卷

6：School violence______much attention of the whole society and people are calling on the government to...

7：Great changes have taken place in our city in the past ten years. Everything ______comes into sight ...

8：She can play the ___________[pɪ'ænəʊ].

9：On his way back home, Frank lost his wallet because of his _____ （粗心）.

10：The book is too expensive. I think I will b________ one from the library.

11：—_____ heavy the rainstorm is! —Yes, the town has experienced the most serious flood during the past...

12：During the summer h________ ,I will take part in a two-week work experience activity.

13：More and more people like bicycling and it is no surprise. It is fun, healthy and good for the envir...

14：Among the four seas off the coast of China, East China Sea is the second ________. A.deep B.deeper C...

15：Hong Kong is _________ [ˈfeɪməs] as “the Shopping Heaven”.

16：As we know, _____________ (星期一) is the second day of a week.

17：—With the development of science and technology, robot cooks______in our families in the future. —I ...

18：According to a recent survey, ______three fifths of working mothers in China don't want to have a se...

19：I am used to walking home after school. One day, on my way home, I saw Xu Dong standing on the other...

20：Please turn to page______and take a look at the picture on it. A.the eightieth B.eightieth C.eightie...

21：Many young people put mobile games______anything else, Thinking little of their normal lives. A.alon...

22：When Rebecca was a middle school student, she was often bullied（欺凌）.At that time, she didn’t want to...

23：Title: Inner voice helps a lot throughout our lives. When you couldn't open your mouth till the firs...

24：The broken ______may cut into your hand if you touch it, you should be careful. A.glass B.glasses C....

25：Flight 846 _____ （降落） safely ten minutes ago with 300 passengers.

26：—What do you think of the fish? —Oh，it ________(尝起来) good.

27：Lisa’s Gym Keep fit! Lose weight! Play basketball, do yoga(瑜伽), dance and meet many new friends! Pr...

28：—______! Something is falling down from the tall building. —Dear me! it's dangerous. A.Look out B.He...

29：—I'm a little hungry, Daddy. —See the cupcakes on the plate? But you can only take______. Dinner is ...

30：Sunday, July 8th, 2012 We arrived in Kunming by train. It’s an old city with a history of more than...

31：—Are you a fan of the science TV show Super Brain? —Yes, I'm always _____ by these people's great br...

32：— Come on, Sandy. Everybody will be ________(成功的) sometimes in their life. — Thanks, I’ll try again....

33：—It's useful for the deaf people to learn sign language. —Yes, it's a major way of _____ for them. A...

34：Japan, ______country in Asia , will hold ______ 32th Olympic Games in August, 2021. A.a; a B.a; the ...

35：（+2）（2）= ．

36：A: Hello, Xiao Hong! B: Hello! A: You look a little unhappy. 1. B: Yes. It’s just my mom. She always...

37：二次函数y=+2的顶点坐标为 ．

38：已知≈1.414，则的整数部分是 ．

39：根据下表所给的数据，判断不能制得合金的是（ ） 金属 Na K Al Cu Fe 熔点/℃ 97.8 93.6 660 1083 1535 沸点/℃ 883 774 2200 2595 2750 A....

40：用适当的方法解方程：﹣5x﹣14=0．

41：抛物线y=+4x﹣4的对称轴是 ．

42：已知+|y+2|=0．求xy的值．

43：下列图形中，是中心对称图形的是（ ）. A． B． C． D．

44：天气的突出特点是（ ） A.多变 B.稳定 C.冷热 D.风雨

45：天气预报中表示沙尘暴的天气符号是（ ） A. B. C. D.

46：发明“联合制碱法”的科学家是 A. 侯德榜 B. 门捷列夫 C. 道尔顿 D. 拉瓦锡

47：能保持氧气化学性质的微粒是（ ） A.氧元素 B.氧原子 C.氧离子 D.氧分子

48：已知圆锥的底面圆半径为3，母线长为5，则圆锥的侧面积是 ．

49：二次函数y=﹣2x﹣3与x轴的交点个数有 个．

50：黄种人主要分布在（ ） A.亚洲 B.欧洲 C.大洋洲 D.拉丁美洲

2：小芳发现，同一时间阿荣旗夏季天气黑得较晚，冬季天黑得较早，如漫画所示，造成昼夜长短差异的原因是（） A.月球的自转 B.月球的公转 C.地球的自转 D.地球的公转

34：Japan, country in Asia , will hold 32th Olympic Games in August, 2021. A.a; a B.a; the ...

37：二次函数y=+2的顶点坐标为．

38：已知≈1.414，则的整数部分是．

39：根据下表所给的数据，判断不能制得合金的是（）金属 Na K Al Cu Fe 熔点/℃ 97.8 93.6 660 1083 1535 沸点/℃ 883 774 2200 2595 2750 A....

41：抛物线y=+4x﹣4的对称轴是．

43：下列图形中，是中心对称图形的是（）. A． B． C． D．

44：天气的突出特点是（） A.多变 B.稳定 C.冷热 D.风雨

45：天气预报中表示沙尘暴的天气符号是（） A. B. C. D.

47：能保持氧气化学性质的微粒是（） A.氧元素 B.氧原子 C.氧离子 D.氧分子

48：已知圆锥的底面圆半径为3，母线长为5，则圆锥的侧面积是．

49：二次函数y=﹣2x﹣3与x轴的交点个数有个．

50：黄种人主要分布在（） A.亚洲 B.欧洲 C.大洋洲 D.拉丁美洲