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问题
单项选择题
动态衡静检时,m=0时的欠差为()。
A.±0
B.±0.5e
C.±1.0e
答案
参考答案:B
选择题
To make sure those relics are well preserved,the museum has ________ modern technologies to monitor the conditions of them.
A.adapted
B.applied
C.appointed
D.abolished
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单项选择题
既能化痰消痞利水而除痞满,又能降肺胃之气的药物是()
A.百部
B.前胡
C.旋覆花
D.款冬花
E.白前
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