更多"The North American desert, a vast b"的相关试题:
[填空题]Considering their vast numbers in the seventeenth century，not much sheep are raised in Spain today（）.
[单项选择]Desert perennials lose their leaves after the rainy season just as trees lose theirs in wetter climates before winter arrives, but the reasons for this feature are different.
[单项选择]The internal temperature of a large desert mammal is lowest______.
A. just before sunrise
B. just after drinking
C. just after sunset
D. in the middle of the day
[单项选择]Living in the central American desert has its problems, ______ obtaining water is not the least.
A. of which
B. for what
C. as
D. whose
[单项选择]
Some futurologists have assumed that the vast upsurge (剧增) of women in the workforce may portend a rejection of marriage. Many women, according to this hypothesis, would rather work than marry. The converse (反面) of this concern is that the prospects of becoming a multi-paycheck household could encourage marriages. In the past, only the earnings and financial prospects of the man counted in the marriage decision. Now, however, the earning ability of a woman can make her more attractive as a marriage partner. Data show that economic downturns tend to postpone marriage because the parties cannot afford to establish a family or are concerned about rainy days ahead. As the economy rebounds, the number of marriages also rises.
Coincident with the increase in women working outside the home is the increase in divorce rates. Yet, it may be wrong to jump to any simple cause-and-effect conclusions. The impact of a wife’s work on divorce is no less cloudy than its impact on mar
A. defy
B. signal
C. suffer from
D. result from
[单项选择]Living in the central Australian desert has its problems, ______ obtaining water is not the least.
A. for which
B. to which
C. of which
D. in which
[单项选择]Wearing a seat belt in a vehicle
A. reduces road accidents to more than half.
B. saves lives while driving at a speed up to 30 miles per hour.
C. reduces the death rate in traffic accidents.
D. saves more than 15,000 lives each year.
[单项选择]Land is becoming desert little by little because ______.
[单项选择]According to the passage some desert areas were once ______.
A. fertile lands
B. covered by rivers
C. very cold
D. very dry and useless lands.
