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What effect does excessive positive ions have on some people？
A．They think they are mad.
B．They feel very tired.
C．They become violently sick.
D．They are too tired to do anything.
答案
更多“What effect does excessive positive ions have on some people？A．They think they are mad.B．T”相关的问题
第2题
What effect does confinement have on clever animals, according to the text？
A．They never stop trying to escape.
B．They lose all their muscles.
C．They become unhygienic.
D．They may go mad.
第3题
What point does Rose make about advertising in newspapers？
A．The effect of the message may be slight.
B．The message must be repeated frequently
C．The possibilities for message design are limited.
第4题
What does research show about most employees' response to change ？
A．They expect it to have a bad effect on the company.
B．They feel completely powerless.
C．They become less loyal.
第5题
What does the last paragraph in the passage suggest？
A．Mr. Eastman has realized the great effect his camera would have on the world.
B．Mr. Eastman didn't expect his camera would produce such a great effect on the world.
C．Mr. Eastman did hope his camera would affect the world the way he expected.
D．Mr. Eastman was ambitious to expect his camera to have such an effect on the world.
第6题
What does the word "backfire" (Line 2, Paragraph 4) mean？
A．Disappear.
B．Make a sudden noise like an explosion.
C．Have the opposite effect to the one intended.
D．Intensify.
第7题
What does the passage mainly discuss？
A．The purchase of followers.
B．The research on Twitter followers.
C．The effect of social media.
D．The fake followers of social media.
第8题
What does the result show？
A．Breakfast has little to do with a person's work.
B．Girl students should have little for breakfast.
C．Breakfast has great effect (影响) on work and study.
第9题
What does this passage mainly talk about？
A．The greenhouse effect.
B．The burning of fossil fuels.
C．The potential effect of air pollution.
D．The likelihood of a new ice age.
