问题
单项选择题
机体脂肪储存较正常减少()为中度营养不良。
A.>50%
B.40%~50%
C.35%~40%
D.25%~34%
E.<34%
答案
参考答案:D
机体脂肪储存较正常减少()为中度营养不良。
A.>50%
B.40%~50%
C.35%~40%
D.25%~34%
E.<34%
参考答案:D
Almost all the students at school in China are learning a foreign language(外语). And millions of adults(成年人) are learning a certain foreign language, too. How ______ the adults do it? Some people try to learn _____ at home; others go to evening classes. If they use the language only ______ a week, the learning will take a long time, like us students learning a language _____. A few _____ try to learn a language fast by(通过) studying six or more hours a day. However, most people can’t afford(负担得起) this, and for ______ people it is not necessary(必要). They need the language in order to(为了) do their work ____. Whether(是否) the language is learnt quickly or slowly, it is hard _____. Machines and good books will _____, but they can’t do the student’s job _______ them.
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