【題目】根據(jù)短文內(nèi)容，從短文后的選項(xiàng)中選出能填入空白處的最佳選項(xiàng)。選項(xiàng)中有兩項(xiàng)為多余選項(xiàng)。
How Fit Are Young Teens?
How often do you exercise? A new study finds that most kids ages 12 to 15 aren't getting enough physical activity.
U.S. fitness guidelines recommend (推薦) an hour or more of physical activity every day. According to the study, only 1 in 4 U.S. kids meet the recommendation. Few kids in the survey met the guidelines for physical activity that raises the heart rate and makes you breathe harder. However, most of those kids said they did at least an hour of exercise at that level during the previous week.
The study found fat teens were less active than normal-weight girls and boys. Overweight girls were slightly less active than normal-weight girls.
“There's always room for improvement,” said health expert Tala.She also said the results provide useful information to help with fitness campaigns such as Let's Move, which was launched by First Lady Michelle Obama. To inspire kids to eat right and get in shape, the First Lady visits schools and holds exercise events. She also calls on schools to offer regular gym classes.
The research suggests kids who get physical education may get better grades.
A. It's concerning.
B. She is an expert on children's health.
C. She was the lead author of the study.
D. The results are based on about 800 kids.
E. Schools should give kids more time for physical activity.
F. But levels were similar among overweight and normal-weight boys.
G. Overall, about 25% said they got an hour of that kind of difficult exercise every day.

【答案】D；G；F；B；E
【解析】一項(xiàng)新的研究發(fā)現(xiàn),僅有四分之一的青少年滿足美國(guó)健康參考標(biāo)準(zhǔn)。大多數(shù)孩子缺乏健身訓(xùn)練。
（1）考查對(duì)上下文的理解和推理判斷能力。根據(jù)空前“ A new study finds that most kids ages 12 to 15 aren't getting enough physical activity.“一項(xiàng)新的研究發(fā)現(xiàn)大多數(shù)在12到15歲之間的孩子都沒有得到足夠多的身體鍛煉，此處選擇D. The results are based on about 800 kids.“這些結(jié)果是在研究了800個(gè)孩子后得出的”引起下文。
（2）考查對(duì)上下文的理解和推理判斷能力。這一段都是講根據(jù)美國(guó)健康參考標(biāo)準(zhǔn)，美國(guó)孩子實(shí)際的鍛煉情況，只有G項(xiàng)符合這一內(nèi)容。故選G。
（3）考查對(duì)上下文的理解和推理判斷能力。根據(jù)空前”O(jiān)verweight girls were slightly less active than normal-weight girls.“過重的女孩稍微不如體重正常的女孩活躍，此處選擇F. But levels were similar among overweight and normal-weight boys.“但是過重的男孩的活躍程度和體重正常的男孩類似”呼應(yīng)上文。
（4）考查對(duì)上下文的理解和推理判斷能力。與上文語(yǔ)境中提到的“health expert Tala”相呼應(yīng)，此處選擇B. She is an expert on children's health.“她是青少年健康方面的專家”。
（5）考查對(duì)上下文的理解和推理判斷能力。上文提到研究表明受過體育教育的孩子可能會(huì)有更好的學(xué)習(xí)成績(jī)，此處選擇E. Schools should give kids more time for physical activity.“學(xué)校應(yīng)該給予孩子們更多鍛煉時(shí)間”呼應(yīng)上文。

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