【多选题】下列关于常用塞尺的描述中,正确的是()
B.
圆柱塞尺多用于成形铣刀对刀,常用直径为3mm、5mm
D.
塞尺常用T7A钢制造,淬火后硬度要求达到55〜60HRC
【单选题】下列关于常用塞尺的描述中,错误的是( )。
B.
圆柱塞尺多用于成型铣刀对刀,常用直径为3mm、5mm
D.
塞尺常用T7A钢制造,淬火后硬度要求达到55~60HRC
【单选题】下列关于常用塞尺的描述中,错误的是( )。
A.
平塞尺常用厚度为1 mm、2 mm、3 mm
B.
圆柱塞尺多用于成形铣刀对刀,常用直径为3 mm、5 mm
D.
塞尺常用T7A钢制造,淬火后硬度要求达到55~60HRc
【单选题】Which of the following statements is correct?
A.
Governments may choose to raise interest rates so that the level of general expenditure in the economy will increase
B.
The normal yield curve slopes upward to reflect increasing compensation to investors for being unable to use their cash now
C.
The yield on long-term loan notes is lower than the yield on short-term loan notes because long-term debt is less risky for a company than short-term debt
D.
Expectations theory states that future interest rates reflect expectations of future inflation rate movements
【多选题】5129 以下 ( ) 属于自制原始凭证。
【简答题】简要说明 PSD 和 JPEG 格式的优缺点。
【判断题】Photoshop两种常见的储存格式是PSD格式与JPEG格式。
【单选题】真核生物区别于原核生物的最主要的结构是什么?
【单选题】Each of the students in our class______great interest in English and they each______a copy of A New English-Chinese Dictionary.