1、单选题：
What did students do during the FIRST half?
选项：
A:Learned mathematical arts.
B:Explored the natural and social world.
C:Learned specific topics.
D:sought help.
答案: 【Explored the natural and social world.】

2、单选题：
What did students do during the SECOND half?
选项：
A:sought help and taught each other
B:Used essential tools of inquiry
C:Learned mathematical arts only
D:Learned general topics.
答案: 【sought help and taught each other】

3、单选题：
I had injured my leg and had to ______ of the race.
选项：
A:drop out
B:check out
C:quit
D:give up
答案: 【drop out】

4、单选题：
The prefix ______ is often used to combine with adjectives and nouns to form new words indicating that something connects two or more places, things, or groups of people.
选项：
A:out-
B:over-
C:anti-
D:inter-
答案: 【inter-】

5、单选题：
For whom is A.P. course prepared for?
选项：
A:middle school students
B:High school students
C:postgraduate students
D:college students
答案: 【High school students】

6、单选题：
Which country is the origin place for A.P. course?
选项：
A:America
B:Canada
C:Britain
D:German
答案: 【America】