[单项选择] I warned him time and again not to lounge about （　） all day long, but he took no _______ of it.
A. concern
B. notice
C. attention
D. regard

[单项选择] I warned him time and again not to lounge about （　） all day long, but he took no _______ of it.
A. concern
B. notice
C. attention
D. regard

[单项选择]I would have told him about the change of time for the class,________to class last 'tune.
A. did he come
B. he came
C. had he come
D. he had come

[单项选择]What is Americans idea about time

[单项选择]A: Let's meet again some time early next week and see what each of us comes up with.B: ______

[单项选择]My sister has been ______ at me again about my lack of neatness.
A. teaching
B. scolding
C. evangelizing
D. preaching

[单项选择]What did people say about him
A. They said he was a famous writer.
B. They said he was an important modern painter.
C. They said his painting was important and Contemporary.
D. They said he was an important contemporary.

[单项选择]It is about time that such practices
A. are ended.
B. be ended.
C. were ended.
D. must be ended.

[单项选择]

Man has been storing up useful knowledge about himself and the universe at the rate which has been spiraling upward for 10,000 years.

　　The (21) took a sharp upward leap with the invention of writing, but even (22) it remained painfully slow for several centuries. The next great leap forward (23) knowledge acquisition did not occur (24) the invention of movable type in the 15th century by Gutenberg and others. (25) to 1500, by the most optimistic (26) Europe was producing books at a rate of 1000 titles per year. This means that it (27) a full century to produce a library of 100,000 titles. By 1950, four and a half (28) later, the rate had accelerated so sharply that Europe was producing 120,000 titles a year. (29) once took a century now took only ten months. By 1960, a (30) decade later, the rate had made another significant jump, (31) a century’s work could be finished in seven
A. As
B. Had
C. If
D. With