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( )（1） He is a reporter .
( )（2） Who is she ? Can you guess ?
( )（3） Oh , she is a good doctor . How about your uncle ?
( )（4） I want to be a reporter in the future!
( )（5） Hello , Lucy ! Look at today’s newspaper .
( )（6） Really ? She looks so young !
( )（7） Wow! A doctor .
( )（8） Sorry , I don’t know .
( )（9） Yes . But she works very hard . She often helps others in her work .
( )（10） She is my aunt .
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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
