单项选择题

Questions 4 to 7 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions.
Now listen to the conversation.
What is the basic purpose of IQ tests

A．They are designed to measure children’s intelligence.
B．They are intended to test linguistic and numerical skills.
C．They are designed to test why some children perform better at school.
D．They are intended to find out why some children are not appreciated.
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问答题
[听力原文]The growing interest of consumers in the safety and more nutritional quality of the typical North American diet is a welcome development. However, much of this interest has been sparked by sweeping claims that the food supply is unsafe or inadequate in meeting nutritional needs. Although most of these claims are not supported by scientific evidence, such claims make it difficult for the general public to separate fact from fiction. As a result, claims that eating a diet consisting entirely of organically grown foods prevents or cures disease or provides other benefits to health have become widely publicized and form the basis for folklore. Almost daily the public is besieged for no-aging diets, new vitamins, and other wonderful foods. There are numerous unconfirmed reports that natural vitamins are superior to synthetic ones, that fertilized eggs are nutritionally superior to unfertilized eggs, that untreated grains are better than treated grains and the like.
单项选择题
What does the author seem to think of King Herry
A．He was the best king England had ever had.
B．He was unfair and cowardly.
C．tie was just as evil as King Richard.
D．He was a better ruler than King Richard.
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