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（_____） 1. Mike is my ________.
A. father B. friend C. brother
（_____） 2. It has a short ________.
A. leg B. arm C. tail
（_____） 3. Sarah's eyes are very ________ and ________.
A. small; beautiful B. big; beautiful C. big; lovely
（_____） 4. I see ________ black cars.
A. eight B. eighteen C. nineteen
（_____） 5. Look at the red ________. It is so big.
A. kite B. box C. ball
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
