【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。
【判断题】The amount of
income generated by the investment is a better test of profitability than the
return on investment.
【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!