Chinese villages stillproblems such as poor road conditions, shabby toilets, dirty environment, and undeveloped basic public services. A . benefit from B . hear from C . result from D . suffer from 答案:D由于液体有流动性,它的压强有不同于固体的特点:
①液体对容器
和 都有压强
②液体内部向
都有压强
③液体的压强随 增加而增大
④在同深度,液体向 压强相等
⑤不同液体的压强还跟 有关系。