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问题
单项选择题
神经纤维对局麻药的敏感性与神经纤维断面的直径成（）
A.反比
B.正比
C.无关
D.无明显比例关系
E.等比
答案
参考答案：
A
阅读理解
看图，给问句选择正确的答语。
( ) 1. Where is the trash bin?
( ) 2. Where is the picture?
( ) 3. Where is the air-conditioner?
( ) 4. Where is the chair?
( ) 5. Where is the lamp?
A. It's on the table.
B. It's over the closet.
C. It's on the wall.
D. It's near the table.
E. It's under the table.
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单项选择题
犬的妊娠期一般平均（）
A、40d
B、50d
C、60d
D、70d
查看答案
