若2x+5y-3=0,则4x•32y的值为 ______.
∵2x+5y-3=0,
∴2x+5y=3,
∴4x•32y=22x•25y=22x+5y=23=8.
_ We’ve waited ______ the bus stop for half an hour.
_ No hurry. The bus will arrive ______ three o’clock..
A.for, after
B.at, after
C.for, in
D.at, in
根据汉语拼音方案的拼写规则,ü韵母跟辅音声母()拼时,两点必须省略,但跟辅音声母()拼时,两点不能省略。