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单选题There was a terrible noise ______ the sudden burst of light.

单选题Why did Elizabeth say to her father "But, Dad, you can't be healthy if you are dead. "?

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单选题Whydidthewomangotothedoctor'safewdaysago?A.Shehadabadtoothtakenout.B.Shehadhernewtoothexamined.C.Shehadafalsetoothfilledin.

单选题WhydidCathyinviteUncleSmithtodinner?A.Becauseshehadsomequestionstoaskhim.B.Becauseshehadnootherfriends.C.Becauseshewantedtohaveabirthdayparty.

单选题Wheredoesthemanwork?

单选题Water power stations are built ______ there are big water falls.

单选题[此试题无题干]

单选题The elephant is ______ big that it can' t get into the room. [A] so [B] such [C] very

单选题The British official had to use pidgin English because ______.

单选题Scientists say they now have proof to support the old-fashioned advice that it"s best to sleep on a problem. They say sleep strengthens the memory and helps the brain organize the masses of information we receive each day. Lead researcher Bob Stickgold at the Harvard Medical School said, "Sleep helps us draw rules from our experiences. It"s like knowing the difference between dogs and cats, even if it"s hard to explain." The US research team studied how well students remembered connections between words and symbols (象征), reports New Scientist. They compared how the students performed if they had had a sleep between seeing the words and having the test, and if they had not slept. They found that people were better able to remember lists of related words after a night"s sleep than after the same time spent awake during the day. They also found it easier to remember themes that the words had in common. But they forgot around one in four more themes (主题) if they had been awake. Prof. John Greoeger, of Surrey University"s Sleep Research Centre, said, "People have been trying for years to find out what the purpose of sleep is, as we know that only certain parts of it have a restorative (有助于恢复的) value." "We form and store huge numbers of experiences in the head every day, and sleep seems to be the way the brain deals with it all."

单选题The example of the Apollo II moon launch is given to illustrate that ______.

单选题From the passage we know the quality of the products ________.

单选题听下面5段对话或独白。每段对话或独自后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有5秒钟的时间阅读各个小题；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。

单选题The movie is ______ boring; it is in fact, rather exciting and interesting.