葡萄糖于25℃时的比旋度是
A.Kedde反应B.Vitali反应C.Keller-Kiliani反应D.Marquis反应E.坂口反应
参考答案:A
The report indicated that 45% of students were in jobs not_______specific qualifications.
A.requiring
B.to be required
C.being required
D.to have required
数学公式(x+y)4的VB算述表达式是______。