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It’s four o’clock in the afternoon now. Classes are over. Some students are making paper flowers and some students are reading books. Some students are flying model planes in the playground. My friends are playing in the classroom. Yang Ling and Mike are playing chess in the classroom, They can play very well. Nancy is playing cards with Liu Tao. Sun Yang and Helen are not in the classroom. They are in the library. Perhaps they are cleaning the library.
根据短文内容，判断正（T）误（F）。1．It’s 4:00 now. （________）
2．Mike is playing chess with Yang Ling. （________）
3．Gao Shan and Liu Tao are playing cards. （________）
4．Helen is in the classroom. （________）
5．Su Yang and Nancy are cleaning the library. （________）
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
