| A． | hear from | B． | hear of | ||
| C． | hear about | D． | receive a letter |
分析 Lucy昨天收到她的筆友來信很激動(dòng)．
解答 答案：A．hear from收到…的來信；hear of聽說；hear about聽到；receive a letter收到信．根據(jù)Lucy was excited to _____her pen pal yesterday，可知這里的意思是Lucy昨天收到她的筆友來信很激動(dòng)，hear from收到…的來信，而receive a letter后面也應(yīng)該加from．故選A．
點(diǎn)評 本題考查了動(dòng)詞短語的用法．解答時(shí)注意區(qū)分辨別句意以及所給選項(xiàng)的意思．
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Do you sometimes find you want to eat chocolate or ice cream very much? Do you then make it but feel guilty about it later?
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New research shows that lack of sleep could lead us to have an increased appetite (食欲)- especially for the unhealthy kind.
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The researchers then analyzed the chemicals (化學(xué)成分) in the blood of the people in the study. What they noticed was surprising. High levels of ghrelin (a chemical that makes us hungry) and lower levels of leptin (the chemical that tells the brain that it is satisfied) were found in the people with less sleep.
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Your body needs 7-8 hours of sleep each night. So, the next time you reach for a bag of chips or a slice of decadent cake, think of the amount of sleep you have had recently!
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