We are learning English, but how can we learn English well? A student can know a lot about English, but maybe he can not speak English.
If you want to know how to swim, you must get into the river. And if you want to be a football player, you must play football. So , you see, you can learn English only by using it. You listen to your teacher carefully in class. You must read your lessons every day. You must speak English to your English teacher and classmates and also you must write in English. Then one day, you may find your English very good.

小美在五连环中填入了5种物质，相连环物质间能发生反应，不相连环物质间不能发生反应．请完成下列问题：

如图甲为杨树叶片进出气体情况示意图，乙为杨树在夏季晴朗天气中一天内某些生理过程的变化曲线图，丙、丁分别为杨树叶片和根尖结构示意图，请据图分析回答下列问题：

  10：36读作____。

—I hear ______ your grandpa ______ your grandma like watching Beijing Opera.

—Right, just as many old people do in our city.