根據(jù)短文后所給的任務(wù)，完成1～5小題。

（1）Russia is proud of its circus（馬戲）performers．It has the oldest circus school in the world—Moscow Circus School．（2）Every year more than a thousand children from other countries want to enter this school．However，only about 70 of them are chosen．（3）less，the，old，be，must，eleven，students，years，than．They must be talented and good at sports as well．

Students at the Moscow Circus School learn a lot．Besides the same basic（基礎(chǔ)）subjects as those in other schools，they have to learn four circus subjects．Those subjects sound fun，but they are difficult to learn．For example，it can take years of practice for a student to walk on the high wire．While learning and practicing，the students always wear safety belts．（4）So if they________ mistakes，they will not get hurt．

After seven years of study，（5）the students are supposed to leave school．The graduates usually work in the circuses and can make a lot of money．

任務(wù)1：請將（1）處的句子改成同義句。

1．Russia ______________ its circus performers．

任務(wù)2：請將（2）處的句子翻譯成漢語。

2．__________________________________________

任務(wù)3：請將3）處的單詞組合成一個完整的句子。

3．__________________________________________

任務(wù)4：在文中（4）處的空白處填上一個適當(dāng)?shù)膯卧~，使句意完整。

4．So if they ______________ mistakes，they will not get hurt．

任務(wù)5：對（69）處的畫線部分提問。

5．__________________________________________?