[单项选择]At the international conference, the famous scientist gave an excellent report ______ on his recent experiment.
A. basing
B. based
C. to be based
D. to base

[单项选择]At the international conference, the famous scientist gave an excellent report ______ on his recent experiment.
A. basing
B. based
C. to be based
D. to base

[单项选择]International Conference on Intelligent User Interfaces was held
A. in November 9～13, 1999.
B. in January 5～8, 1999.
C. in May 15～20, 1999.
D. in September　13～16, 1999.

[单项选择]Basic research provides the capital fund of scientific knowledge, on which the applied re searchers draw to give society a rich rate of interest.
A. 基础研究为科学知识提供资金，在其中让应用研究人员从中提取后回报社会。
B. 基础研究为科学知识提供资本基金，让应用研究人员从中提取给社会高利息。
C. 基础研究为科学提供资本金，应用研究人员也可以从中提取回报社会。
D. 基础研究为科学知识提供资本基金，让应用研究人员从中提取后以高利率回报社会。

[单项选择]Because of Einstein's Theory of Relativity, scientists no longer regarded the world______.
A. as they did before
B. as they before did
C. as did they before
D. as before did they

[填空题]Reading between the lines, I should say the scientists are disappointed for the outcome of the research project, though they will not openly admit it（）.

[单项选择]

Text 2 Do you remember all those years when scientists argued that smoking would kill us but the doubters insisted that we didn’ t know for sure That the evidence was inconclusive , the science uncertain That the antismoking lobby was out to destroy our way of life and the government should stay out of the way Lots of Americans bought that nonsense, and over three decades, some 10 million smokers went to early graves. There are upsetting parallels today, as scientists in one wave after another try to awaken us to the growing threat of global warming. The latest was a panel from the National Academy of Sciences, enlisted by the White House, to tell us that the Earth’ s atmosphere is definitely warming and that the problem is largely man-made. The clear message is that we should get moving to protect ourselves. The president of the National Academy, Bruce Alberts, added this key point in the preface to the panel’ s report: "Science never has all the an
A. there was no scientific evidence of the correlation between smoking and death
B. the number of early deaths of smokers in the past decades was insignificant
C. people had the freedom to choose their own way of life
D. antismoking people were usually talking nonsense

[单项选择]Swift invented famous ______ in his world famous Gulliver’s Travels.
A. Lilliput
B. Brobdingag
C. Celestial city
D. Morality Pool

[单项选择]Swift invented famous ______in his world famous Gulliver' s Travels.
A. Lilliput
B. Brobdingag
C. Celestial city
D. Morality Pool

[单项选择]What is Valencia famous for
A. Its seaport
B. Its university
C. Its churches and museums
D. Its parks and gardens

[单项选择]Which two speeches made Emerson famous
A. Nature and Essays.
B. Representative Men and English Traits.
C. Nature and English Traits.
D. The American Scholar and The Divinity School Address.

[单项选择]Emily Bronte was most famous for
A. Wuthering Heights
B. Jane Eyre
C. Oliver Twist
D. Paradise Lost