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( ) 1. This is a computer room.
( ) 2. It's time for lunch. Let's have some chicken and rice.
( ) 3. It's cool and windy in Shanghai.
( ) 4. It's ten degrees. The weather is cool.
( ) 5. I have a new dress.
( ) 6. Look at the carrots. They are long.
( ) 7. These shoes are John's.
( ) 8. This umbrella is ten yuan. It's cheap.
( ) 9. Those socks are just right.
( ) 10. Look at that scarf. It's pretty.
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
