C.In the Middle Ages， heavy paper called parchment was used for writing and books were laboriously copied by hanD.D.With the invention of the printing press in the middle of the fifteenth century， the modern printing industry was born.

E.Some form of written communication has been used throughout the centuries.

正确答案：Some form of written communication has been used throughout the centuries.

4、II.Choose the best topic sentence from the groups blow.

A.There are different types of social worker careers.

B.A social worker can help a child find a home.

C.A mental health social worker helps people deal with depression.

D.A medical social worker helps people with diseases.

正确答案：A mental health social worker helps people deal with depression.

5、II.Choose the best topic sentence from the groups blow.

A.City life is also convenient.

B.With these attractions， we feel lucky to live in a city.

C.In fact， in a city there are many places for the citizens to go for entertainment， such as theaters，parks， and recreational areas.

D.Generally speaking， there are many attractions of living in a city.

正确答案：Generally speaking， there are many attractions of living in a city.

第六章单元测试

1、Decide whether the following statement is thesis statement or not.

1."；Miss Rose， who is a notorious criminal and a three-time loser， mugged Professor Plum in the library with the bookends."。

A.正确

B.错误

正确答案：错误

2、Decide whether the following statement is thesis statement or not.2.；"；Although Miss Rose appears clueless， her nail file and stiletto heels are the evidence that it was she who broke into the library and literally put her enemy， Professor Plum， in between two heavy copper book-ends.。

A.正确

B.错误

正确答案：正确

第七章单元测试

1、正确答案为A。

A.A

B.B

C.C

D.D

正确答案：A