A:①
B:②
C:③
D:①和②
呼吸道对空气的处理能力是有限的.(判断对错)
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. . .
2015年12月徐宿淮盐高铁开工建设。右图为江苏省主要铁路分布示意图,读图,完成下列各题。
Are there____(some)books in your classroom?
①本质是商品
②具有使用价值和价值
③具有价值尺度职能
④制作成本低,携带方便