[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.

[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.

[填空题]The ease with which truly great ideas are accepted and taken for granted fails to lessen their significance.

[单项选择]Question: My child has great ideas, but is horrible at spelling and grammar. How much can I help clean up the essays
Answer: If your child lets you read his or her college essay, you can certainly help correct spelling as well as offer suggestions on grammar. In fact, I recommend it. It’s not OK, however, to write your child’s essay or hire someone to do so.
When assisting your child on their application, it can be difficult to determine the line between providing useful help and giving your child an unfair boost. Here’s my brief approach to how much—and in what way—to help your child.
-First of all, kids learn by doing, and too much parental assistance can leave your child unable to function when he’s off on his own at college. So when deciding how to help your child, the key question to consider is, "How can I help my child gain the skills to live a more fulfilled, effective life" That means thinking beyond just the college essay and looking at other aspects of your chil
A. read their essay carefully
B. rewrite the whole essay for the child
C. ask someone else to do it
D. correct spelling and grammatical errors

[单项选择]How did the man get first-hand ideas on his subject（　）
A. By travelling to countries in Asia and Africa.
B. By doing questionnaires.
C. By doing research into private companies.

[填空题]Why were the scientists who said Newton’s ideas had delayed the scientific progress wrong

[填空题]Why were the scientists who said Newton’ s ideas had delayed the scientific progress wrong

[单项选择]______ his great delight, his painting was accepted for publication.
A. For
B. With
C. In
D. To

[单项选择]The old man came upstairs with great efforts, his right hand ______ a stick for support.
A. having held
B. held
C. being held
D. holding