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I例two sisters. They are Lisa and Lily. They twins. Lily is popular and helpful. She often helps friends. Lisa is very shy. She drawing very much. She draws a lot of beautiful . They both like reading books. They often read their room.
例. （ A ）
A. have B. has C. am
（1）A is B. am C. are
（2）A. she B. her C. his
（3）A. likes B. like C. like to
（4）A. picture B. pictures C. the picture
（5）A. on B. at C. in
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
