加热至170℃转化为反式,溶解度降低的是().
A.卡莫司汀
B.环磷酰胺
C.白消安
D.巯嘌呤
E.顺铂
参考答案:E
Speaking of all the songs he has written, I think this is probably his_________one.[ ]
A. wellknown
B. mostknown
C. betterknown
D. bestknown
阅读M7130型磨床电气原理图要先读()。
A.主电路
B.控制电路
C.电磁工作台控制电路
D.照明和指示电路