题目
A.admit
B.to express
C.admitting
D.to admit
第1题
Sandy could do nothing but ______ to his teacher that he was wrong.
A.admit B.admitted C.admitting D.to admit
第3题
—Are you doing anything special on Friday, Bill? —_______ —Oh, what a pity!
A.No, nothing special
B.Yes, I have promised to call on some friends
C.Yes, of course
D.No, I’m not sure. Why?
第5题
And with water present the【C3】______of finding some sort of life on Mars are【C4】______brighter.
This is the view of 40【C5】______all over the world who have been analyzing【C6】______of pictures and other scientific【C7】______obtained by robot explorers in the sixties and seventies.
To begin with, scientists thought the Red Planet was as【C8】______as the Moon with dust storms swirling over vast sandy【C9】______. But now the picture is very different with mountains and valleys carved by【C10】______glaciers and torrential rivers rushing and rumbling deep underground.
In a report on the【C11】______of the Martian pictures Dr. Michael Car of the U.S. Geological Survey comments, "I am【C12】______there's lots of water on Mars." Any surface water will be in the【C13】______of ice. But it could【C14】______explorers having to take so much fresh【C15】______with them.
The report says【C16】______Mars probably had a warmer climate in ages【C17】______due to its axis having been more steeply tilted towards the Sun.
【C18】______convincing signs of plant or animal life have been【C19】______by instruments soft. landed on Mars,【C20】______only the immediate vicinity of landing vehicles could be examined.
【C1】
A.expected
B.hoped
C.required
D.eager
第6题
A.can be done
B.could be done
C.could do
D.can do
第7题
A.would
B.could
C.should
D.might
第8题
Neither could theory do without practice,()without theory.
A.nor could practice do
B.no practice
C.or could practice do
D.practice could nor do
第9题
A.nothing
B.everything
C.something
D.anything
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