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（1）A.look B.cook C.book
（2）A.think B.thank C.than
（3）A.three B.tree C.there
（4）A.the B.them C.then
（5）A.walk B.work C.went
（6）A.113cm B.115cm C.114cm
（7）A.go hiking B.go boating C.go skating
（8）A.It’s a toy. B.It’s a boy. C.It’s a nose.
（9）A.He does his homework.
B.He does his housework.
C.He does morning exercise.
（10）A.He feels ill. B.He feels sick. C.He feels sad.
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
