题目内容

空腹痛是

A. 慢性胃体胃炎(A型胃炎)
B. 胃溃疡
C. 浅表性胃炎
D. 慢性胃窦胃炎(B型胃炎)
E. 十二指肠球部溃疡

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26()

A. before
B. after
C. in front of
D. behind

机体受药物刺激发生异常免疫反应,称之为

A. 副作用
B. 特异质反应
C. 毒性反应
D. 变态反应
E. 后遗效应

We are happy()we are not very rich.

A. however
B. though
C. but
D. even if

Teacher: Where is Tom this morningJohn: He’ s got a cold.Teacher: ()

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