1 . Helen had just put down her cellphone ________she regretted refusing Peter’s invitation to the party.(用适当的词填空)

2 . __________ we go to people who are qualified to give advice, we can’t make sure that they will know what’s right for us. (用适当的词填空)

3 . Since the Autumn Equinox, most of the areas in China have entered the cool autumn._______ the cold air southward meets the declining warm and wet air, precipitation(降水) is the result. (用适当的词填空)

4 . 读书让我领悟到了人生的真谛，当我迷茫时，书犹如一只明亮的火炬指引我前进的方向，增强我的勇气和自信心。(allow) （汉译英）

5 . 当人们谈论中国的名胜古迹时，我首先想到的是颐和园。(汉译英)

6 . ________ he came back home that we knew what had happened.

A．When it was

B．It was when

C．Was it when

D．When was it

7 . Although China withdrew from further expeditions after 1433, these land and sea routes remained active channels between other cultures for centuries. （英译汉）

8 . 虽然我不是一个专业的导游，但我组织并带领住在外地的同学参观我所在的城市，并得到了很好的反馈。（介词＋关系代词）（汉译英）

9 . ______ you work hard, you will certainly succeed.

A．Though

B．If

C．Because

D．For

10 . If I chose to remain silent when my parents were criticizing me, they would get angrier because I was acting ___________ I had intended to be disrespectful. (用适当的词填空)