题目内容：

Have you ever heard of the surprise party?

The surprise party is very popular in America. Most of the Americans think it is very exciting to have surprise parties for their friends or family members. It is quite possible to plan a surprise party when one's birthday is coming. Do you want to know what a surprise party is like？Look at the following example.

It's Saturday night. Bob's wife asks him to go to the kitchen and bring her a glass of milk. Bob walks to the kitchen and opens the door. Suddenly，___he_hears_a_strange_sound_and_then_sees_a_bear_standing_in_front_of_him!

Bob is very scared and falls backwards .Just then the bear takes off his costume(戏服)．It's Bob's friend Charles！There are also some other people behind him. All of them say to Bob，“Surprise！” Bob is puzzled，___and_he_does_not_know_what_it_is_until_his_friends_say_“Happy_birthday！”_to_him．

In fact，there are many kinds of surprise parties. A successful surprise party always makes people excited and surprised.

根据短文内容，完成下列任务。

1题、2题和3题为任务一：根据短文内容，回答下列问题；4题和5题为将文中画线部分译成汉语。

1.How is the surprise party in America?

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2.Where does the strange sound Bob hears come from?

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3.How does a successful surprise party make people feel?

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