[填空题]Man should take the philosophy of thrift by conserving natural resources and not destroying them.

[填空题]Man should take the philosophy of thrift by conserving natural resources and not destroying them.

[单项选择]How long will it take the man to walk there
A. Less than an hour.
B. Half an hour.
C. 1.5 hours.

[单项选择]How long did it take the man to finish drawing the picture
A. 3 hours.
B. Three hours and twenty minutes.
C. Twenty minutes.
D. Two hours and forty minutes.

[单项选择]How long does it take the man to go to work
A. An hour and a half by bus.
B. One and a half hours by subway.
C. 40 minutes by bus.

[单项选择]How long does it take the man to drive from his house to the university during rush hour
A. 25 minutes.
B. 30 minutes.
C. 40 minutes.
D. 50 minutes.

[单项选择]How long will it take the man to get the bank card
A. Two weeks after he opened the account.
B. At least one week after he opened the account.
C. Less than a week after he opened the account.
D. Immediately after he opened the account.

[单项选择]Which flight will the man take
A. Air China Flight 985 on the 26th.
B. Air China Flight 985 on the 27th.
C. Air China Flight 985 on the 28th.
D. Air China Flight 985 on the 25th

[单项选择]How long does it take the man to go to work in the morning
A. 30 minutes．
B. 20 to 30 minutes．
C. 15 minutes．

[单项选择]Which class is the man going to take
A. Accounting
B. Marketing
C. both

[单项选择]Which flight does the man take actually（）
A. The 8:30 flight
B. The 10:30 flight
C. The 9:30 flight

[简答题]

Forests remove carbon dioxide from the air, conserve soil and water, and are home to a variety of species. (46) They are also repositories of potentially valuable new products, such as pharmaceuticals, and as a source of building material and firewood they provide employment for millions worldwide.
In 1990 forests took up about a quarter of the planet’ s land surface ( not including an additional 13 percent of other woody vegetation, such as sparsely covered woodland and brush land). Russia accounts for perhaps a fifth of the globe’s forest. Brazil for about a seventh, and Canada and the U.S. each for 6 to 7 percent. (47) Historically, virtually all countries have experienced deforestation, mostly because of the need for new farmland, pasture, fuelwood and timber. In the U. S. , forests now cover 22 percent of the land area, a decline of perhaps 40 percent since European colonization began. (48) Forest acreage, however, has remained about the