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（_____）1.A.left B.right C.straight
（_____）2. A.factory B. count C. feel
（_____）3. A. afraid B. breath C. worried
（_____）4. A. hiking B.swimming C.singing
（_____）5. A.what B.where C. wear
（_____）6. A.by subway B.by bus C.by taxi
（_____）7. A.gym B.university C.space
（_____）8. A. interesting B.amazing C.quickly
（_____）9. A.study B.studies C.studying
（_____）10. A.this morning B.this afternoon C.this evening
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
