问题
选择题
单价一定，数量和总价成（ ）
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答案
因为总价÷数量=单价（一定），所以总价与数量成正比例；
故选：A．
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单价一定，数量和总价成（ ）
|
因为总价÷数量=单价（一定），所以总价与数量成正比例；
故选：A．
| 从方框中选择合适的选项完成对话（其中有两项多余）。 A: How time flies! Our summer holiday is coming again! B: __1__ A: What are you doing for your holiday? B: __2__ A: Sounds good. __3__ B: My parents. A: How are you going there? B: __4__ A: I think traveling by plane is more comfortable than traveling by train. B: But I think traveling by train is funnier than traveling by plane. A: Maybe you are right. Anyhow I hope you have a nice journey. B: __5__
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