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A. That"s why it"s possible for two kids with the same height， but different weights， to both be the right weight.
B. If you eat more calories than your body needs to use， you will gain too much weight.
C. Poor eating and exercise habits also run in families and this may be the reason the members of a family are overweight.
D. However， many overweight people have difficulty reaching their healthy body weight.
E. On the other hand， if you eat less and exercise more， you may lose weight.
F. If both your parents are tall， there is a good chance you"ll be tall.

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在我国境内的外资企业中工作的外籍人员及港、澳、台侨胞的工资、薪金所得，在计税时每月扣除费用金额应为4000元。()

根据下面材料，回答题。
Sleep-Smart
Do you wake up every day feeling too tired, or even upset？ If so, then a new alarm clock could be just for you.
The clock, called Sleep-Smart, measures your sleep cycle, and waits 51 you to be in your lightest phase of sleep before arousing you. Its makers say that should 52 you wake up feeling refreshed every morning.
As you sleep you pass through a sequence of sleep states- light sleep, deep sleep and REM (rapid eye movement) sleep--that 53 approximately every 90 minutes. The point in that cycle at which you wake can 54 how you feel later, and may even have a greater impact than how much or little you have slept. Being aroused during a light phase 55 you are more likely to wake up energetic.
Sleep-Smart 56 the distinct pattern of brain waves produced during each phase of sleep,via a headband equipped 57 electrodes (电极) and a microprocessor. This measures the electrical activity of the wearer&39;s brain, in much the 58 way as some machines used for medical and research 59, and communicates wirelessly with a clock unit near the bed. You 60 the clock with the latest time at 61 you want to be wakened, and it then duly (适时地) wakes you during the sleep phase before that.
The 62 was invented by a group of students at Brown University in Rhode Island 63 a friend complained of waking up tired and performing poorly on a test. " 64 sleep-deprived (剥夺)people, we started thinking of 65 to do about it," says Eric Shashoua, a recent college graduate and now chief executive officer of Axon Sleep Research Laboratories, a company created by the students to develop their idea.
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A. beside
B. near
C. for
D. around

政府购买服务活动的法律载体是行政协议，在行政合同履行过程中，行政机关一方不具有任何特权。
A正确
B错误

是指在掌握基本灾情信息后，依据消防力量调派灭火或抢险救援人员力量与技术装备，同时，传输有关资料、方案等。

A. 受理火警
B. 调度指挥
C. 现场通信
D. 火警出动