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问题 单项选择题

下列面容的描述哪一项是正确的

A．急性面容眼球凹陷、目光暗淡

B．慢性面容潮红出汗、口唇干燥或有疱疹

C．肾病面容眼裂增大、眼球突出、兴奋易怒

D．二尖瓣面容皮肤发红、面如满月

E．苦笑面容发作时牙关紧闭、面肌痉挛

答案

参考答案：E

填空题

分别用一个动滑轮和一个定滑轮把同一个重物提升到同样的高度，能改变力的方向的是______滑轮；使用这两种机械都不能省______．
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填空题

用括号内词的比较级填空。

1. Tom thinks he works hard. But in fact Jacky works even _____. (hard)

2. Tom is as _____ (clever) as Jacky. But he isn't as _____ (hard-working) as

Jacky.

3. Jacky's Chinese is the _____ (good) in his class. But Tom thinks Chinese is the_____ (difficult) of all.

4. Tom spends _____ (few) toys than tom, but he has _____ (many )books.
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