硫化半成品试样从硫化到测试,最短时间为(),最长时间不得超过()。
参考答案:16小时;4个星期
—I'm going back to see my parents this afternoon. --().
A.It's very nice of you
B.You'd better hurry
C.Say goodbye to them
D.Give my best wishes to them
The medical team arranged to Africa _________five doctors and two nurses.
A.consists of
B.is consisted of
C.makes up
D.is made up