填空题


This is probably because __________.

【参考答案】

shoppers slow down and have more opportunity to spot items t......

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单项选择题
The Minamata Bay example in the first paragraph proved that ______.
A．if mankind do something harmful to the environment, vice versa, the indeed victims are themselves
B．a local industry which had released mercury into Minamata Bay was the real murderer
C．how this highly toxic element stored up in the bodies of local fish and eventually harmful to the bodies of people who consumed the fish
D．the theory of pollution
单项选择题
According to the article, which of the following is NOT true
A．In 1995 about 700,000 robots were operating in the industrialized world.
B．Why people use the robots is that they are neither dangerous nor unpleasant.
C．In medical laboratories, robots can be used to handle Potentially dangerous materials, such as blood or urine samples.
D．In other cases, robots are used in repetitive, unchangeable tasks in which human performance might degrade over time.
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