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W: Did you know it was going to rain todayM: Absolutely not. This comes as a big shock to me, especially since the paper says mostly sunny.W: Well, I guess the paper must have meant mostly sunny somewhere else. But since we’ve come out this way, why don’t we just move the blanket under that treeM: That’s a good idea. It looks like it’s still dry there, as long as it doesn’t start to come down any harder.W: You didn’t happen to bring us a spare blanket, did you Because this one is all wet now.M: No. But I do have some folding stools in the car. Will they doW: They’ll be just fine. I’m really hungry. So while you’re there, how about bringing out the foodM: I thought you were bringing the food.W: This is unbelievable. If I weren’t so hungry, this would be really funny. So what nowM: What’s the name of the restaurant which you like so much What are the speakers doing().
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Questions 19 to 22 are based on the conversation you have just heard.
This week marks the 10th anniversary of the Alar apple scare, in which many American consumers were driven into a panic following the release of a report by an environmental organization claiming that apples containing the chemical Alar posed a serious health threat to preschoolers. The report was disseminated through a PR (Problem Report) campaign and bypassed any legitimate form of scientific peer review. Introduced to the American public by CBS’ "60 Minutes," the unsubstantiated claims in the report led some school districts to remove apples from their school lunch programs and unduly frightened conscientious parents trying to develop good eating habits for their children.Last month, Consumers Union released a report warning consumers of the perils of consuming many fruits and vegetables that frequently contained "unsafe" levels of pesticide residues. This was especially true for children, they claimed. Like its predecessor 10 years earlier, the Consumers Union report received no legitimate scientific peer review and the public’s first exposure to it was through news coverage.Not only does such reporting potentially drive children from consuming healthful fruits and vegetables, the conclusions were based on a misleading interpretation of what constitutes a "safe" level of exposure. Briefly, the authors used values known as the "chronic reference doses," set by the U. S. Environmental Protection Agency, as their barometers of safety. Used appropriately, these levels represent the maximum amount of pesticide that could be consumed daily for life without concern. For a 70-year lifetime, for example, consumers would have to ingest this average amount of pesticide every day for more than 25, 000 days. It is clear, as the report points out, that there are days on which kids may be exposed to more; it is also clear that there are many more days when exposure is zero. Had the authors more appropriately calculated the cumulative exposures for which the safety standards are meant to apply, there would have been no risks and no warnings.Parents should feel proud, rather than guilty, of providing fruits and vegetables for their children. It is well established that a diet rich in such foods decreases the risk of heart disease and cancer. Such benefits dramatically overwhelm the theoretical risks of tiny amounts of pesticides in food. So keep serving up the peaches, apples, spinach, squashes, grapes and pears. In the Alar apple scare, many Americans were frightened because （）
Questions 11 to 18 are based on the conversation you have just heard.
Questions 23 to 25 are based on the conversation you have just heard.
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