[单项选择]Rumor______it that the young man has been nominated for the Nobel Prize.
A. has
B. learns
C. carries
D. spreads

[单项选择]That young man has made so much noise that he______not have been allowed to attend the concert.


A. could
B. must
C. would
D. should

[单项选择]Thai young man has made so much noise that he ______ not have been allowed to attend the concert.
A. could
B. must
C. would
D. should

[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. so
B. if
C. then
D. when

[单项选择]The system of exploration of moon by man has been ______.
A. cancelled
B. abolished
C. refused
D. rejected

[单项选择]I don' t understand why such a good man has been treated with such scorn and ______ .


A. defection
B. defense
C. difference
D. indifference

[单项选择]I don't understand why such a good man has been treated with such scorn and ________.


A. difference
B. inference
C. indifference
D. reference

[单项选择]Where has the man been


A. Swimming in a lake.
B. Washing clothes.
C. Visiting his hometown.
D. Sightseeing.