1 . 不管遇到什么困难，我们相信探索越多，就越可能取得成功。(likely) (汉译英)

3 . 是我们的父母愿意尽他们所能来帮助我们。
________ ________ our parents ________ are willing to do whatever they can to help us.

4 . 我们知道我们的共同之处，可以进行开放的讨论。
We knew what we ________ ________ ________ and could have an open discussion.

5 . Hydrogen (氢) c________ (结合) with oxygen to form water.(根据中英文提示填空)

6 . Sales director is a position ________ communication ability is as important as sales skills.

A．which

B．that

C．when

D．where

7 . It’s no use ________(cry) over spilt milk. （所给词的适当形式填空）

8 . Occasions are quite rare ________I have time to spend a whole day with my kids. （用适当的词填空）

9 . When ________(compare) different cultures, we often pay attention only to the differences without noticing the many similarities. （所给词的适当形式填空）

10 . Generally speaking, students’ inner motivation with high expectations from others ________ essential to their development.

A．is

B．are

C．was

D．were