The last sentence of the passage implies that if another drought came,______.
A. the situation would be much worse
B. people would have to desert their homes
C. the city would be fully prepared in advance
D. the city would have to redevelop the neighborhood
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What is right according to the passage？
A. Human beings can change their genetics by proper eating.
B. We should do physical exercises as much as possible each day.
C. We should stay away from fats.
D. Natural sea salt is more healthful.
In his research, Glenn Doman discovered that brain-damaged children improved when they
A. were taught to read and understand
B. could speak several languages
C. were given proper stimulation in vision, listening and touching
D. ate enough medicine for their symptoms
From the first paragraph, we can see______.
A. Wikenheiser is an American scientist
B. Wikenheiser is a doctor
C. a lot of us look older than our actual age
D. we don't know we are 15 years older than others
Which of the following words best describes the author' s attitude towards China' s high-speed railway plan？
A. Critical.
B. Reserved.
C. Doubtful.
D. Positive.
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