题目内容
（请给出正确答案）
What causes the tension that draws water up a plant？
A．Humidity
B．Plant growth
C．Root pressure
D．Evaporation
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更多“What causes the tension that d…”相关的问题
What is the substance in cigarettes that causes cancer？
A．Cigarette ashes.
B．Nicotine.
C．Tar.
D．Not mentioned here.
What did the the US Central Bank do to stimulate the economy？
A．It lent less money to people for buying houses.
B．It bought tens of billions of dollars of securities each month.
C．It bought equipment for businesses to expand and develop.
D．It worked hard to develop key sectors of the US economy.
What is the best title for this passage？
A．The Causes of Industrial Revolution.
B．The Industrial Revolution and Its Significance.
C．The Theory of Division of Labour and Its Significance.
D．Adam Smith, the Economist and Philosopher.
What are the possible causes of colony-collapse disorder given by the scientists？
A．Worsening environment.
B．Disease and chemicals.
C．Dwindling number of flowers around.
D．Changes in genes' structures.
According to the passage what causes tidal waves？
A．Earthquake.
B．Storms.
C．Seaquake.
D．Tides.
What is people's attention turning to today according to the passage？
A．The causes of traffic accidents.
B．The driver.
C．The roadway.
D．The car.
What is the theme of the text？
A．The causes of low-wage problems.
B．The inequality of workers' pay.
C．The improvement of the rates of pay.
D．The economy and the rates of pay.
What is the passage mainly about？
A．The causes of absent-mindedness.
B．A way of encoding and recalling.
C．The process of gradual memory loss.
D．The impact of the environment on memory.
What is the passage mainly about？
A．Several worldwide economic problems.
B．The causes and consequences of trade deficit.
C．Lack of resources in underdeveloped countries.
D．The value of exports against imports.
