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There are many rules (规则) in our life. At school, We must listen to our teachers. In the library, We should be quiet. We can’t run on the ferry. We must take turns on the bus. We must wear a helmet when we drive a electric bicycle (电动自行车). We must pay attention to the traffic lights. We should keep (保持) our city clean. Our life will be happy.
1．判断正(T)误(F)。(1) We can run on the ferry.
(2) We should be quiet in the library.
(3) We mustn’t wear a helmet when we drive a electic bicycle.
(4) We should keep our city clean.
2．生活因规则而美好。我们学校要参加文明校园的评选，请向同学们提出一条英文倡议，助力文明校园活动。
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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
