【单选题】已知某植物营养液的配方含0.3 mol KCl、0.2 mol K 2 SO 4 、0.1 mol ZnSO 4 和1 L H 2 O。若以KCl、K 2 SO 4 、ZnCl 2 和1 L H 2 O为原料配得相同组成的营养液,需 KCl、K 2 SO 4 、ZnCl 2 物质的量分别是( )
【单选题】听力原文:W: The dean just announced that Dr. Jeffery is going to take over as Chairperson Of the English Department. M: I knew it all along. He was the obvious choice. Q: What does the man mean? (16)
A.
He doesn't know Dr, Jeffery very well.
B.
He thought Dr. Jeffery would get the position,
C.
He thought it took too long to make the decision.
D.
He's not sure Dr, Jeffery will be a good chairperson.