正确答案：came back

9、a.Congratulations on being named this year’s Outstanding Student.That’s terrific!b.With all the best wishes.c.I was so happy for you when I saw the announcement on the school website.d.Having studied together for two semesters， I know that you very much deserve this honor.Question：What is the correct order of the sentences given above？

A.a-c-d-b

B.d-a-b-c

C.a-d-b-c

D.b-c-a-d

正确答案：a-c-d-b

10、When there is mutual care， the world will be（）good order.

A.with

B.in

C.at

D.on

正确答案：in

第四章单元测试

1、A foodie is someone who has a strong interest in fooD.。

A.正确

B.错误

正确答案：正确

2、It is a good habit to consume foods from each of the five food groups：protein， vegetables，（），（）and（）.

A.fruits

B.water

C.grains

D.dairy

正确答案：fruits；grains；dairy

3、Parents'； eating habits don'；t influence children'；s eating habits.。

A.正确

B.错误

正确答案：错误

4、We should eat more grains， fruits， vegetables and less meat and dairy products.。

A.正确

B.错误

正确答案：正确

5、Is your father a doctor？Yes， he is.He（）in Town Hospital.

A.worked

B.is working

C.works

D.has worked

正确答案：works

6、Look.they（）a good time，（）they？

A.have， do

B.are having， are

C.are having， aren'；t

D.have， don'；t

正确答案：are having， are

7、There（）a dolphin show in the zoo tomorrow evening.

A.is going to have

B.was

C.will have

D.is going to be

正确答案：is going to be

8、Listen! They（）in the next room.

A.were singing

B.is singing

C.are singing

D.sing

正确答案：are singing

9、Which of the following sentences are used for the opening of a recommendation letter？

A.During the past three years， I have come to know Zhang Lin well and would like to recommend him as a candidate for your undergraduate program.

B.It is my hope that her application will be looked upon favorably.

C.I am writing this letter to recommend my student Wang Hua， who is seeking the position of marketing clerk of your company.

D.When he studied in our university， he passed all the courses with excellent math.

正确答案：During the past three years， I have come to know Zhang Lin well and would like to recommend him as a candidate for your undergraduate program.I am writing this letter to recommend my student Wang Hua， who is seeking the position of marketing clerk of your company.