题目内容

结核菌素试验阳性说明 ( )

A. 对结核无免疫力
B. 对结核有免疫力
C. 患结核病
D. 需接种卡介苗
E. 细胞免疫缺陷

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影响尺寸精度的因素有（）

A. 装夹与校正
B. 刀具
C. 机床
D. 加工工艺

__________________

A. Get off the bus.
Book a ticket.
C. Take a taxi.
D. Buy a newspaper.

___________

A. It is comfortable.
B. It is far away.
C. It is large.
D. It is expensive.

_____________

A. Help the man.
B. Sell a product.
C. Make a plan.
D. Write a report.