1. Exceptional children are different in some significant way from others of the same age. For these children ________to their full adult potential, their education must be adapted to those differences.

　　A. to develop B. to be developed C. developingD. will develop

　　2. Space exploration promises to open up many new territories for human settlement, as well as _________the harvest of mineral resources.

　　A. leads to B. to lead to C. leading to D. lead to

　　3. Someday, solar power collected by satellites ________ the earth or fission power (裂变能)manufactured by mankind may give us all the energy we need for an expanding civilization.

　　A. circled B. to circle C. circling D.circles

　　4. In this experiment, they are wakened several times during the night, and asked to report what they ________ .

　　A.had just been dreaming B. are just dreaming

　　C.have just been dreaming D. had just dreamt

　　5. Her terror was so great ________ somewhere to escape, she would have run for her life.

　　A. only if B. that there had only been

　　C. that had there only been D. if there were only

　　6. Some women ________ a good salary in a job instead of staying home, but they decided not to work for the sake of the family.

　　A. must make B. should have made

　　C. would make D. could have made

　　7. A light with no more power than ________ by an ordinary electric light bulb becomes intensely strong as it is concentrated to a pinpoint-sized beam.

　　A. as is produced B. that produced

　　C. that is produced D. produced

　　8. For most people the sea was remote, and with the exception of early intercontinental travelers or others who earned a living from the sea, there was little reason to ask many questions about it, let alone________ what lay beneath the surface.

　　A. asking B. ask C. to ask D. be asked

　　9.Even if they are on sale, these ________refrigerators are equal in price to, if not more expensive than, at the other store.

　　A. anyone B. the others C. that D. the ones

　　10. The atmosphere is as much a part of the earth as ________ its soil and the water of its lakes, rivers and oceans.

　　A. are B. is C. do D. has

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