一、词汇与语法知识，从每小题的四个选择项中，选出最佳的一项。



1.________tomorrow's lessons，I have no time to play with you.
A.Not preparing

B.Not prepared

C.Not having prepared

D.Having not prepared


2.The country has already sent up three unmanned spacecraft，the most recent ________ at the end of last March.

A.has been launched

B.having been launched
C.being launched

D.to be launched


3.Generally speaking，prices of daily goods ________ through the Internet are lower than store prices.
A.to buy

B.are bought
C.buying

D.bought

4.I've worked with children before，so I knew what ________in my new job.

A.expected

B.to expect
C.to be expected

D.expects


5.________such a heavy loss，the businessman didn't have the courage to go on.
A.Having suffered

B.Suffering
C.To suffer

D.Suffered


6.Taking this medicine，if________，will of course do good to his health.
A.continued

B.to continue

C.continues

D.continuing

7.The global warming is more and more serious，for which human
beings ________.
A.are blaming

B.are to blame
C.are going to blame

D.are to be blamed

8.In order to improve English，________.
A.Jenny's father bought her a lot of tapes
B.Jenny bought a lot of tapes for herself
C.a lot of tapes were bought by Jenny

D.a lot of tapes were bought by Jenny's father

9.His first book ________ next month is based on a true story.
A.published

B.to be published
C.to publish

D.being published

10.

—We didn't find the Blacks ________ the lecture.
—No one had told them about ________ a lecture the following

day.
A.attending;there being

B.to attend;there to be
C.attended;there be

D.attend;there was

答案：CBDBA ABBBA