英语六级

单选题According to Kenneth Quinn what´s the greatest difficulty humanity has ever faced?

A．To control the large population.
B．To avoid natural disasters.
C．To make more food production.
D．To urge more people live in the rural areas.

参考答案：C进入在线模考
 细节题。定位到文中He says the need to increase food production is the greatest difficulty humanity has everfaced可知最难的是如何增加农业产量。因此，正确答案是C。

你可能感兴趣的试题

1What special qualities will the new soybean plant have?

A．It can be more productive yet require less water.
B．It will be taller and stronger.
C．It will have less leaves and more productivity.
D．It will require less water and fertilizer.

点击查看答案进入在线模考
2What´s the benefit of using computers in the research?

A．It is more accurate than traditional methods.
B．It saves time compared with researches conducted in the filed.
C．It can provide many data.
D．It needs less space compared with researches done in the field.

点击查看答案进入在线模考
3 What´s the main idea of the text?

A．A more productive soybean is found to solve the future food shortages.
B．Scientists have done many researches to deal with food shortages.
C．Soybeans are the only solution to solve the food shortages.
D．There will be a great food shortage in 2050.

点击查看答案进入在线模考

最新试题

中国的龙是中国神话和民间故事里传说的生物。龙有许多动物的特征，例如龟、鱼等。但是，大多情况下龙被描绘成长着四只脚的蛇形动

类型：简答题2017-06-10

 It is implied that, in the long run, most Latinos in A

类型：单选题2017-06-10

 According to the author, Arizona should give highest p

类型：单选题2017-06-10

 The underlined part "educational deficits" (Para.4)&nb

类型：单选题2017-06-10

What can be inferred from the third paragraph?

类型：单选题2017-06-10

Questions are based on the following passage. Latino youths

类型：单选题2017-06-10

Which of the following can best summarize the main idea of t

类型：单选题2017-06-10

It can be inferred from the last two paragraphs that __

类型：单选题2017-06-10

 Ethan Kross´s 2013 study failed to find __

类型：单选题2017-06-10

What does the phrase "this problem" in Paragraph 3 refer to?

类型：单选题2017-06-10