A:用滴管滴液体
B:加热液体
C:加入锌粒
D:熄灭酒精灯
设a>b>0,c为常数,给出下列不等式①a﹣b>0;②ac>bc;③ 1a < 1b ;④b2>ab,其中正确的不等式有( )
她静默地远了,远了,____,走尽这雨巷。
⑴How many pears do you see?____ A. OK.
⑵Let's read a book.____ B. I have 20.
⑶Look at my new toy car.____ C. Oh, how beautiful!
⑷How many eggs do you have?____ D. I see 12.
⑸Can you count with me?____ E. Sure. 1, 2, 3. . .