更多"Silt and heavy run-off from farms i"的相关试题:
[单项选择]North American bison differ from domestic cattle in have 14 rather than 13
A B C D
pairs of ribs.
[单项选择]Wheat is ______ from the farms to the mills.
A. carded
B. conveyed
C. transmitted
D. transported
[单项选择]Mexico can not benefit from the North American Free Trade Agreement because it______.
A. can not win the competition between China and other countries.
B. relies on the prosperity of American economy.
C. can not develop into an independently productive economy.
D. mainly engage itself in agriculture.
[单项选择]We know from the first paragraph that north Europeans spend their spare time ______.
A. eating out
B. watching TV
C. visiting friends
D. fishing
[单项选择]An unconsolidated aggregate of silt particles is also termed silt, ___________ a consolidated aggregate is called siltstone.
A. ( which
B. ( why
C. ( whereas
D. ( whether
[单项选择]A cold current is approaching from the north. We must take immediate measures to ______ crops ______ the cold.
A. protect, from
B. prevent, from
C. separate, from
D. free, from
[单项选择]The teenagers from North High were ______ of classmates at South High because South won to host the popular new band with complimentary tickets.
A. indifferent
B. envious
C. cautious
D. furious
[单项选择]Paper making in China ______ from there to North Africa and Europe.
A. sprang
B. spilled
C. carried
D. spread
[单项选择]Paper making in China ________ from there to North Africa and Europe.
A. sprang
B. spilled
C. carried
D. spread
[单项选择]Overproduced corn in American farms has been converted to ______.
A. feed cattle, pigs and poultry
B. manufacture automobile components
C. make artificial beef, pork, and chicken
D. become high-fructose low fat products
[单项选择]Why did farms expand their fields during the First World War
A. Because they could obtain more profit.
B. Because there had been a serious drought which caused lack of food.
C. Because they wanted to find a solution to the natural disaster.
D. Because there had been a drought in the Midwest United States.
[单项选择]Small farms and the lack of modern technology have______ agricultural production.
A. blundered
B. tangled
C. bewildered
D. hampered
[单项选择]Small farms and the lack of modem technology have ______ agricultural production.
A. blundered
B. tangled
C. bewildered
D. hampered
[单项选择]Many farms in the southern United States yield hay and tobacco.
A. store
B. fertilize
C. sow
D. produce
[单项选择]Families on the large farms kept in touch with each other by ______.
A. radio
B. a newspaper
C. a bird
D. both［B］ and ［C］
