( )属于货币市场工具。
A.股票 B.企业债券 C.商业票据 D.投资基金
参考答案:C
解析: 商业票据期限一般短于1年。
—Please spend much time ____your school work, ___ your parents will be annoyed.
—OK. I’ll do it as you say!
A.on, or
B.with, and
C.in, but
D.at, then
水解过程中,水解水量为磺酸产量的()。
A.1%
B.2%
C.3%
D.4%