[单项选择]Great as Newton was, many of his ideas ______ today and are being modified by the work of scientists of our time.


A. are to challenge
B. may be challenged
C. have been challenged
D. are challenging

[单项选择]Great as Newton was, many of his ideas today and are being modified by the work of scientists of our time（）
A. are to challenge
B. may be challenged
C. have been challenged
D. are challenging

[单项选择]Great as Newton was, many of his ideas today（）and are being modified by the work of scientists of our time.
A. are to challenge
B. may be challenged
C. have been challenged
D. are challenging

[单项选择]Great as Newton was, many of his ideas __ today and are being modified by the work of scientists of our time.
A. are to challenge
B. have been challenged
C. may be challenged
D. are challenging

[单项选择]Newton ______ his great achievements more to his hard work than to his intelligence.


A. attributed
B. devoted
C. treated
D. regarded

[单项选择]Great as Einstein was，many of his ideas have been challenged today and are being modified by the work of scientists of our time（）
A. 虽然爱因斯坦是个伟大人物，但他的许多见解在当今时代受到了挑战，并且正在被当代科学家的工作所修正。
B. 爱因斯坦是个伟人。然而，他的许多见解遭遇了现代科学工作者的较量，并且正在被现代科学家的工作所更正。
C. 伟大的爱因斯坦拥有许多见解。但他的许多见解已经发生了变化，并正在被现代科学所修饰。
D. 爱因斯坦很伟大：不过，他的许多见解还是被改变了，并正在被修饰。

[单项选择]Great as Russell was, many of his ideas ______ today and are being modified by the work of philosophers of our time.


A. are to challenge
B. may be challenged
C. have been challenged
D. are challenging

[单项选择]When he was back in the city, many of his friends didn't believe he had bought the farm.

[单项选择]______ Tim is poor and unfortunate, many of his friends have left him in the lurch.


A. In that
B. Until
C. Now that
D. Although

[单项选择]Why hasn't he experienced many trims in his life

[填空题]

Many cultures have different ideas about why people catch colds. For example, in the United States, some people think that you can catch cold if your （1） get cold. So, mothers tell small children to wear（2）boots(靴子) in the winter. In other places, including parts of the Middle East, some people believe that strong winds cause colds. So, on trains and buses, people usually don’t like to sit（3）open windows. In parts of Europe, some people think that wearing wet clothes will give you a cold. They say that after you go （4）, you should quickly put on dry clothes. Today, scientists know that colds are caused by viruses(毒). But the old ideas are still very strong, and many people still follow them to （5）getting ill.

1（）

[单项选择]Many of their ideas are being incorporated into orthodox medical treatment.
A. acceptable
B. western
C. conservative
D. conventional

[单项选择]I certainly tried to explain his ideas but I am still at a loss（）his points.
A. and see
B. to see
C. for seeing
D. seeing

[单项选择]I know you had many ideas, but you need not trouble ______ them.
A. remember
B. remembering
C. remembered
D. to remember