1 . -Do you worry          them when the kids are out of doors?
-No, I don’t. They can look          themselves.

A．about; at

B．about; after

C．of; after

D．in; at

2 . 昨晚鲍勃设宴招待了我们。(entertain sb. to sth)(汉译英)

3 . D________ (尽管，虽然) differences between traditional Chinese Medicine and Western medicine, the expert said he had confidence that Western patients would accept traditional Chinese medicine. (根据中英文提示填空)

4 . When they lived in different cities, they kept ________ touch with each other through the Internet ________ time to time.

A．over; with

B．by; at

C．on; in

D．in; from

5 . _____ the fact that doctors have warned that smoking does harm to health, _____ people still keep on smoking.

A．Though; the number of	B．Despite; a number of
C．Although; a number of	D．In spite of; the number of

6 . For ________ variety of reasons, we have to replace the old network system ________ a new one.

A．the; for

B．the; with

C．a; for

D．a; with

7 . —Zhen He was a Ming dynasty ______ that we Chinese people are proud of.
—I agree with you. He even succeeded ______ sailing to the east coast of Africa.

A．tourist; to

B．philosopher; in

C．inventor; to

D．explorer; in