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（______） 1. Look at the living room. There is a ______ in it.
A. TV B. sofa C. DVD player
（______） 2.—How many students are there in your class?
—There are ______.
A. thirty B. forty C. fifty
（______） 3.—What day is today?
—It’s ______.
A. Sunday B. Saturday C. Thursday
（______） 4.—What subject do you like best?
—I like ______ best.
A. science B. drama C. computer
（______） 5.—What’s this in English?
—It’s a ______.
A. cat B. goat C. sheep
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
