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搜题
【单选题】
What can we infer from the dialogue?A.
The patient has no stress in his life.
B.
The patient suffers from stress in his work, life and finances.
C.
The patient is very busy and does not have enough time for sleep.
D.
The biggest problem with the patient is his lack of physical exercise.
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】一把梯形螺纹车刀的左侧后角是0°,右侧后角是8°,这把车刀( )。
A.
(A)可以加工右旋梯形螺纹
B.
(B)可以加工左旋梯形螺纹
C.
(C)被加工螺纹的旋向与其无关
D.
(D)不可以使用