将左右两部分搭配，使其成为通顺的句子。

①Is she in the study?____   A. It's on the desk.

②Is this your bedroom?____   B. No, they aren't.

③Where's my pen?____    C. No, it isn't.

④Are they on the chair?____   D. Yes, she is.

⑤Where are my books?____    E. They are on the bed.

已知购买排球的数量和排球的单价，可以求出应花的钱数．

漫画《苹果一小口，时间一大口》启示我们（    ）

如图，立定跳远比赛时，小明从点A起跳落在沙坑内B处，这次小明的跳远成绩是4.6米，则小明从起跳点到落脚点之间的距离是（　　）