The noodles with orange juice ______ only $ 1. 5. [ ]
A. is
B. are
C. for
D. with
答案:B
My money __________.I'd better go to the bank to draw some in case I__________ none in hand. [ ]
A. has run out; will have
B. is running out; have
C. has been run out of; will have
D. is running out of; have
短周期元素X、Y、Z、W、Q在周期表中的位置如图所示.下列说法中不正确的是( )
A.工业上获得Y、Q单质的方法通常是用电解法
B.形成简单离子的半径从小到大的顺序是:r(Y)<r(Q)<r(W)
C.Z的最高价氧化物可溶于水,也能溶于强碱溶液
D.X的气态氢化物浓溶液可用于检验管道氯气的泄漏