题目内容：

阅读下面短文，从短文后面各题所给的四个选项（A、B、C和D中，选出可以填入空白处的最佳选项。

The cultures of the East and the West really distinguish from each other a lot. This is because the culture systems are two ____ systems on the whole.

    The origin of the eastern culture is mainly from two countries: China and India. Both of the two cultures are gestated（孕育） by ____. In China, the mother river is the Yellow River, ___ the Indian one is the Hindu River. These two cultures have ____ for several thousand years and formed their own styles. Then in Tang Dynasty of China, the Chinese culture ____ went overseas to Japan, ____ into the Japanese society and ____ the Japanese culture nowadays. Though a bit different from the Chinese one, it ____ to the same cultural system.

    When the two mother rivers gave birth to the eastern culture, another famous culture was  ____ on the Mesopotamian Plain(米索不达米亚平原): the Mesopotamian Civilization. This civilization later on developed into the cultures of the Ancient Greece and Ancient Rome. And these two are well-known as the ___ of the European culture. ___ the Chinese culture, the European one is also ____ to waters. When the colonists(殖民者) of England ___ in America, their culture went with them over the Atlantic Ocean. So the American culture doesn't ____ from the European one a lot.

    At the same time, the ____ of the language systems adds to the cultural differences. In the East, most languages belong to the pictographic(象形文字的) languages while the Western languages are ___ based on the Latin system, for example, the one I'm using to write this paper.

    Other factors like human race difference counts ___ . However, ____ the far distance and the steep areas between the East and West, the two cultures seldom ____ until recent centuries. ____ they grew up totally in their own ways with almost no interference from the other.

1.A. different         B. complex         C. sensitive       D. simple

2.A. mountains       B. plains           C. lakes         D. rivers

3.A. or               B. for              C. while         D. when

4.A. developed       B. improved         C. created      D. protected

5.A. suddenly        B. quietly           C. gradually      D. naturally

6.A. changed         B. mixed          C. made         D. turned

7.A. defend      B. interrupted         C. ended        D. shaped

8.A. comes          B. belongs            C. brings        D. adds

9.A. brought up      B. carried out          C. given out     D. picked up

10.A. result           B. sign              C. base          D. content

11.A. Through        B. Except             C. With        D. Like

12.A. used          B. devoted            C. related        D. given

13.A. joined up        B. settled down        C. broke down    D. went up

14.A. come         B. suffer             C. result        D. differ

15.A. distinction        B. contact            C. appearance    D. collection

16.A. properly        B. hardly             C. simply        D. mostly

17.A. in turn          B. as well            C. at least        D. so far

18.A. in terms of      B. due to             C. as to        D. in case of

19.A. transform       B. display            C. communicate   D. distinguish

20.A. Therefore       B. Meanwhile         C. Furthermore     D. However