1 . It is vital ________ every equipment should be checked before the experiment. (用适当的词填空)

4 . 拥有积极的态度并且充分利用竞争带给我们的好处是真正重要的事情。
Having a positive attitude and making full use of the benefits that competition brings to us are ________.

5 . ________(真正让她担心) was how unhappy the child was. (根据汉语提示完成句子)

6 . ________ (我首先想弄清楚的) was how long it was going to take. (根据汉语提示完成句子)

7 . 最重要的是您如何弥补您的错误。(make up for) (汉译英)

8 . 事实上，这个年轻人说的和做的并不一致。(correspond) (汉译英)

9 . ________ the two trains crashed into each other still remains unknown, but the police say that it could be due to the heavy snow. （用适当的词填空）

10 . ________ you decide upon will not influence me, for I am not involved in your project. （用适当的词填空）