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Mike is eleven. He can write emails in English. He also has some pen friends. His father buys a new computer for him. He is very happy. He tells his classmates about it. Mike’s classmates go to Mike’s home. It doesn’t have ears, eyes or hands. But it has a keyboard, a mouse and a big screen. He can write emails on it. His classmates like it very much.
1．Mike is ten.2．Mike’s mother buys a new computer for him.
3．Mike’s computer has no ears.
4．Mike can’t write emails on the computer.
5．Mike’s classmates like his computer.
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
