College students are more stressed out than ever before--at least according to the latest findings of a large, national survey that has been conducted annually for the last 25 years. The survey includes more than 200,000 students attending nearly 300 colleges and asks them to rate how their own mental health stacks up with their classmates’--for example, is it "above average" or in the "highest 10%"
This somewhat unusual methodology typically results in the statistical Lake Woebegon effect in which most people tend to overestimate themselves in relation to others (it refers to the fictional Lake Woebegon, where "all the women are strong, all the men are good-looking and all the children are above average"). But the most recent results indicate that fewer and fewer freshmen feel like they are in top form in terms of coping with stress.
A quarter century ago, nearly 70% of freshmen put themselves in the top 10% of mentally stable
A. affects.
B. estimates.
C. comments on.
D. compares with.
(11)During the summer you should be even more careful than usual of the foods you prepare. Foods spoil faster in hot weather than in cold weather. (12) When you are shopping, purchase frozen and refrigerated foods last. Don’t make long stops on the way home, because frozen foods could be soft or warm. Using insulated bags helps keep food cold until you can get home. (13)Milk and milk products should be refrigerated immediately. (14)When camping or picnicking, or at any time when refrigeration isn’t available, use special dry food. Don’t leave foods in a hot car or beach bag. Picnic favorites like meat, chicken, and egg salad should be kept in a cooler. Above all, (15)if a food doesn’t seem to be normal in smell or appearance, throw it away immediately. Don’t taste it.
When should you be even more careful than usual of the foods
During the（ ）.
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