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问题 单项选择题

患儿8月，智力发育较同龄儿差，时有抽搐和肌痉挛，毛发、皮肤和虹膜色泽较浅，进食后常呕吐，常出湿疹，尿有鼠尿臭味，该患儿最有可能的诊断为

A．先天愚型
B．呆小病
C．苯丙酮尿症
D．癫痫
E．佝偻病

答案

参考答案：C

选择题

Although the film star has got a tight schedule these days, our boss is still _________ to have him invited to the party for the promotion of our new product.

A．concerned

B．determined

C．frustrated

D．annoyed
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单项选择题 A1型题

上颌牙牙周膜面积由大到小的排列顺序是（）。

A.6734521

B.6734512

C.6743512

D.6735412

E.7643512
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