【判断题】工艺系统刚性较差时(如切削细长轴),刀具应选用较小的主偏角。
【单选题】The interest income generated by investors of municipal bond issued in the United States is most likely:
A.
exempt from federal income tax and from the income tax of the state in which the bonds are issued.
B.
not exempt from federal income tax and the income tax of the state in which the bonds are issued.
C.
taxable at the federal level but exempt from the income tax of the state in which the bonds are issued.
【判断题】C++中的关键字也可以作为变量的标识符。
【简答题】青藏地区的自然环境非常独特,请完成(1)~(2)题。 (1)有关青藏地区的描述,正确的是 [ ] A.是世界上面积最大的高原 B.是我国夏季气温最低的地区 C.日照时间长,气压高,气温低 D.地面崎岖,只有山间的小盆地比较平坦 (2)为促进经济的发展,国家投巨资修建的第一条进藏铁路——青藏铁路现已通车,它经过的盆地是 [ ] A.四川盆地 B.准噶尔盆地 C.塔里木盆地 D.柴...
【单选题】Speaker A: Waiter, ______ Speaker B: Wait a minute, sir. That s $ 80 altogether.
C.
May I have the bill, please?
D.
Would you take the money?
【单选题】Hello, sir. Welcome to our company.
B.
Goodbye! See you tomorrow.
C.
Thanks. It's my pleasure to be here.
D.
Good night! Have a good sleep!