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【判断题】
在数控车床上加工螺纹时,由于机床伺服系统本身具有滞后特性,会在螺纹起始段和停止段不发生螺距不规则现象,所以实际加工螺纹的长度应包括切入和切出的刀具空行程量。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】The second factor is the so-called “bamboo ceiling,” a theory that posits that Chinese graduates can expect to be employed in tech companies abroad, but are rarely promoted as far as upper management.
【单选题】The ________ posits that the goal of learning a foreign language is to develop an ability to read its literature, for which purpose grammar study and translation activities between the native and for...
A.
the Direct Method
B.
the Grammar-Translation Method
C.
the Audioligual Method
D.
the Humanistic Approach
【多选题】在演绎论证中，以下哪个论证属于有效推理：
A.
如果p，则q p 所以：q
B.
如果p，则q 非q 所以：非p
C.
如果p，则q 如果q，则r 所以：如果p，则r
D.
或者p，或者q 非p 所以：q
E.
如果p，则q q 所以：p
F.
如果p，则q 非p 所以：非q
G.
或者p，或者q p 所以：非q
【判断题】The expectancy-value model of attitude formation posits that consumers evaluate products and services by combining their brand beliefs according to importance.
A.
正确
B.
错误
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