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| | Sun. | Mon. | Tue. | Wed. | Thur. | Fri. | Sat. |
| read book | √ | √ | √ | √ | √ | √ | √ |
| play chess | √ | √ | √ | √ | √ | √ | |
| play football | √ | √ | √ | √ | | | |
| sing songs | √ | √ | | | | | |
| watch TV | × | × | × | × | × | × | × |
1．Lisa never watches TV.（_______）
2．Lisa always reads books.（_______）
3．Lisa usually plays chess.（_______）
4．Lisa often sings songs.（_______）
5．Lisa sometimes plays football with her friends.（_______）
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
