题目内容
既能与盐酸反应，又能与氢氧化钠溶液反应的单质是
查看答案
搜索结果不匹配？点我反馈
更多问题
《课程标准》也对高中语文教学提出了更高的要求，较之义务教育阶段的课程目标，可以发现高中语文教学有这样几个提升：()
—定质量的理想气体经历压强增加的过程，若在此过程中
阅读理解：阅读下面的短文，根据文章内容从A、B、C三个选项中选出一个最佳选项。
The houses we live in are very {A. expensiveB、B. importantB、C. huge}. They keep us from being cold in the winter and hot in the summer. In the winter they keep out of the snow. They also keep out the wind. Even if it is blowing outside, we are nice and warm inside. In the summer houses keep the hot sun from us. When it rains, they keep us from getting wet.
Houses are also places {A. whichB、B. thatB、C. where} we feel safe. People can’t get at us or our things. Houses give us a place to be together with our families and friends. Mothers and fathers {A. care forB、B. care aboutB、C. take care} their children there. The children play there. The family eat and sleep under the same roof.
Houses are different in many ways. They are made of different things. Some houses are made of wood. Some are made of stones. Sometimes more than one thing is used to make a house.
Houses come in different {A. placesB、B. sizesB、C. names}. Some houses have only one room. Some houses have more than one room. Big buildings found in cities have a great many rooms. They hold many families. The rooms in which each family lives are called an apartment.
Houses are different in the ways they are {A. buildB、B. buildingB、C. built}. Houses in tropic countries can be lightly built. In places where it rains much of the time, houses must keep out the water.
take care (“注意”，“当心”，“留心”)
用相同的玻璃制成厚度为d的正方体A和半径为d的半球体B，分别放在报纸上，且让半球的凸面向上。从正上方（对B来说是从最高点）竖直向下分别观察A、B中心处报纸上的文字，下面观察记录正确的是
微信支付 
支付宝支付