[单项选择]Raising one's open hand with palm down to one's throat means" （　） "in English culture.
A. Shame on you.
B. I'm full.
C. Kill yourself.
D. You're shorter than I.

[单项选择]Raising one's open hand with palm down to one's throat means" ______" in English culture.

[单项选择]How do the older generation and the younger one think about money


A. The former thinks more of money than the latter.
B. The younger generation values money more than the older generation.
C. Both generations rely on the imaginative power of bankers to make money.
D. To the former money is a real commodity but to the latter be a means to produce more money.

[填空题]Organic agriculture contributes to slowing down the global temperature increase through its ability to ______.

[单项选择]
Recycling is one of the best environmental success stories of the late 20th century. But we could do more. People must not see recycling .as fashionable, but essential.
The Japanese are very good at recycling because they live in a crowded country.
They do not have much space. They do not want to share their limited space with rubbish. But even so, Tokyo area alone is estimated to have three million tons of leftover rubbish at present.
In 1996, the United States recycled and composted (制成肥料)57 million tons of waste (27% of the nation’s solid waste). This is 57 million tons of waste which did not go into landfills and incinerators (焚化炉). In doing this, 7,000 rubbish collection programmes and recycling centres helped the authorities.
In Rockford, a city in Illinois, US, its officials choose one house each week and check its garbage (废物). If the garbage does not contain any newspapers or alumini
A. They live in a crowded country.
B. They have recycled all their waste.
C. They are very good at recycling.
D. They have to share their limited space with rubbish

[单项选择]After careful investigation we find that one of the statements ______ to be untrue.
A. is turned out
B. have been turned out
C. has turned out
D. have turned out

[单项选择]

Los Angeles has planted 2,000 rubber trees down the middle of one of its main streets. These trees do not (21) rubber. They are, (22) , made of rubber. Mr. Joe Dynamo, a spokesman for Los Angeles (23) council, explained the reasons. He said:
"These (24) are representative of our virtual society. We have polystyrene grass on our golf (25) . We have non-milk powder (26) our coffee. We (27) copies in plastic of old wooden furniture. We have fiberglass tombstones. (28) shouldn’t we have trees made of rubber"
"At 50 miles an hour, (29) motorist will see any difference. And our preservation (30) will be lower. You give the trees an annual rinse (清洗) with detergent, and (31) them off twice a year. We (32) a lot of money because transplanting, pruning, weeding and leaf-collection are all (33) . And we have a 60-year (34) guarantee
A. on
B. of
C. at
D. in