1 . It’s amazing that the ocean contains 99% of the living space on the planet and yet less than 10% of that space ________ by humans up to now.

A．has been explored

B．is being explored

C．have been explored

D．are being explored

2 . The local health organization is reported________twenty-five years ago when Dr. Audubon became its first president.

A．to be set up

B．being set up

C．to have been set up

D．having been set up

3 . We ________the evening until Frank________to an emergency.

A．enjoyed; had been called	B．enjoyed; was calling
C．were enjoying; was called	D．had enjoyed; has called

4 . It was only at the very end of the 19th century that this practice         .

A．abolished

B．was abolished

C．had abolished

D．has been abolished

5 . The amazing sculptures in the Dunhuang Caves ________ by visitors for centuries before they were recognized as a UNESCO World Heritage Site in 1987.

A．would be admired

B．had been admired

C．had admired

D．admired

6 . 对那些喜欢中国文化的人来说，好消息是一个中国传统文化周活动下周要在我校举办。(汉译英)

7 . Last summer, Robert, along with his two sisters, ______ to a remote island to experience the local life.

A．has been sent

B．have been sent

C．was sent

D．were sent

8 . The house, together with all the man’s possession in it, _______ away by the storm, and he becomes homeless and poor.

A．have washed	B．has washed
C．have been washed	D．has been washed

9 . The audience, as well as film critics, thought highly of the film shortly after it _______ early this year.

A．released	B．had released
C．was released	D．has been released

10 . A professor of public health at UCLA says that pet ownership might provide a new form of health care. As far back as the 1790s, the elderly at a senior citizens’ home in England________ to spend time with farm animals.

A．had encouraged	B．were encouraged
C．are being encouraged	D．has encouraged