问题
判断题
电力碰并的作用只在云滴半径小于20μm时起一定的作用，否则将很小。（）
答案
参考答案：对
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电力碰并的作用只在云滴半径小于20μm时起一定的作用，否则将很小。（）
参考答案：对
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| My school has about 3,000 students in six grades--grade seven to 1 . It has 200 teachers and 70 classrooms. I go to school at 6:30 a.m. 2 bike. My school starts at 7 o'clock. Everyone must go to school 3 it starts. I have seven classes in a day, four in the morning and three in the 4 . After class 4 everyone goes to have lunch in the canteen. Not many students bring food to school because the food in the canteen is 5 . Class 5 starts at 2: 00 p.m. and class 7 finishes at 4: 30 p.m. After class 7 some people go home, some 6 at school. The most popular sport at school is basketball. I usually go home 7 5:00 p.m. because I go to play football and basketball at school 8 learn English with my teacher. After that I go home by bike. When I 9 home, I clean my home, then I 10 a shower and do my homework. | ||||
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