对于94mm的烟支，其长度只允许在±（）mm范围内变化。
A.0.5
B.0.2
C.0.7
D.1.0
参考答案：A
— We didn't find the Blacks during the lecture.
— No one had told them about _____ a lecture. [ ]
A. there to be
B. there being
C. there be
D. there was
在药品储存过程中，阴凉库的最高温度不得超过( )。
A．10℃
B．15℃
C．20℃
D．25℃
E．30℃
