当小麦出现茎秆软弱、易倒伏的病症时,说明小麦缺少( )
A.氮肥
B.磷肥
C.钾肥
D.钙肥
答案:C
A:Hello!May I speak to Tom, please B:Speaking. [16] A:This is Bill. I called you yesterday, but youwere not at home. B:[17]I need to prepare something for my tripto Shanghai. A:ShanghaiThat’s where the World Exposition(世博会)is being held. How lucky you are! B:So I am. [18] A:I, have a birthday party next Friday. Wouldyou like to come B: [19]My plane will take off next Wednesday. A:What a pity(遗憾)that you can’t come![20] B:Thank you very much. Bye! A:Bye! A.Who’s that B.I’d like to, but I’m afraid I can’t. C.I’m buying something for my aunt. D.Have a good trip! E.I was shopping at that time. F.Who are you G.What did you call me for
有限空间作业,必须做到()。
A.先作业、再检测、后通风
B.先检测、再通风、后作业
C.先通风、再检测、后作业
D.先通风、再作业、后检测