1 . As everyone knows, some insects are b______________ (有益的) to the crops. (根据中英文提示填空)

3 . The new regulation could bring real ________ (好处) for students. (根据汉语提示单词拼写)

4 . It’s _______(令人厌烦的) for children to be always and forever explaining things to them. (根据汉语提示单词拼写)

5 . The windows of the old classroom were closed up with ________________ (砖). (根据汉语提示单词拼写)

6 . 我心里紧张，深深地吸了一口气。（butterfly）（汉译英）

7 . You’ll speak English well ______ you keep practicing.

A．though

B．while

C．if

D．before

8 . Your own personal b________ as a student, outside of school hours, has a great impact on the school itself. (根据首字母单词拼写)

9 . Early to bed and early to rise is b____to a man’s health. （根据首字母单词拼写）

10 . Children should be praised for their good ______________ (行为) which encourages them to do better. (根据汉语提示单词拼写)