若关于x的不等式 $\{\begin{array}{c}x-m<0\\ 7-2x\le 1\end{array}$ 的整数解共有2个，则m的取值范围是（   ）

为了减少高速行驶的车辆产生的噪声对高速公路两侧单位，居民的干扰，常在高速公路的两侧架设具有一定高度的屏障，这种有效，可行的措施是从哪个方面来控制噪声的（   ）

已知函数$f\left(x\right)=\sin \left(x+\phi \right)+\cos \left(x+\phi \right)$为奇函数，则$\phi$的一个取值为（　）

如图是一种叫“干水”的物质。每个“干水”粒子是外层包上沙质硅的小水滴，它吸收二氧化碳的能力比普通水高3倍。下列叙述正确的是（  ）

阅读下文，回答问题
                                                                                                  On the beach
    It is a fine day. A lot of people go to the beach to enjoy sunshine. Some people are swimming like fishes in the sea. On the beach，some young people are playing volleyball.
    Some of them are lying under the coconut trees. And some old people are chatting with each other. What are the children doing? Look! They are making castles with spade and sand. They are having fun。
⑴⑵⑶⑷⑸根据短文内容，判断正误；⑹根据短文内容填空。