3 . 如果有必要的话，我将代表我们学校出席这次会议。
________ ________, I’ll attend the meeting _________ ___________ of our school.

5 . 老师让我代表我们小组，做一个有关如何选择环保型产品的演讲。（behalf）(汉译英）

7 . 根据句意，选择单词或短语并以其适当形式填空。

on behalf of;        regardless of;        allow for;       take charge of

1. I am sorry for being unable to visit you this Saturday afternoon because I will be attending a lecture about garbage classification ________ my class at that time.
2. She arrives early every day, ready to work, ready to learn and ready to tackle new challenges ________ whether or not she has done anything similar.
3. The bed should be four to six inches longer than its tallest user, ________ space to move around.
4. Teachers must motivate students to ________ their own learning—they can't depend on others all the time.

8 . 尊敬的老师、同学们，大家早上好！我很荣幸能站在这里代表我的班级，分享我对体育精神的看法。在我看来，体育精神意味着团结。（动词不定式作主语）
Good morning, dear teachers and students! It is my great honor ________ here ________ my class and share my views on sportsmanship. ________ sportsmanship means solidarity.

9 . 选词填空（可变换形式，其中有两项是多余的）

rely on, on behalf of, name... after, result in, break down, take in, be regarded as, prey on, in return, thanks to

1. The NASA’s Kepler spacecraft ________ the German astronomer Johannes Kepler and launched in 2009.
2. Getting the two parties together will help to ________ the barriers between them.
3. You are supposed not to ________ your parents to help you solve all the problems.
4. Since inorganic iron destroys vitamin E, these two nutrients should not ________ together.
5. In ancient China, a gold dragon on the emperor’s clothes ________ a symbol of power and position.
6. He made a speech ________ all the faculty and staff members.
7. He devotes himself to protecting the wildlife without expecting anything ________.
8. Competition can be healthy, but if it is pushed too hard it can ________ envy.

10 . I am ________ the government as well as to the general public for just treatment ________ peasant-workers，who have made great contributions to the improvement of city life.

A．asking；on behalf of	B．applying；in the name of
C．demanding；in the name of	D．appealing to；on behalf of