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My name is Jim. There are many rules in my home. I must get up before 7:00. Because I mustn’t be late for class. I must make the bed every morning. I mustn’t watch TV or play computer games on school nights. But on weekends (周末) I can watch movies and cartoons. That is my fun time. I must clean my room once a week( 一周一次). Oh, if you come to my house, you can’t wear shoes or sit on my bed. Do you want to come to my house?
1．Jim must get up before 6:00 every morning.（2．Jim mustn’t watch TV on school nights. （
3．Jim must clean his room once a day. （
4．Jim can watch cartoons on weekends. （
5．You can wear shoes if you come to Jim’s house.（
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
