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（_____） 1. A. No, he didn’t.
B. Yes, he did.
C. I don’t know.
（_____） 2. A. They want to go to Sydney.
B. They want to go to London.
C. They want to go to Sydney this winter holidays.
（_____） 3. A. No, he doesn’t.
B. He goes to school at 7: 30.
C. Yes, he does.
（_____） 4. A. She’s ill.
B. She’s tired.
C. Her dad is ill. She’s sad.
（_____） 5. A. An art club.
B. A dancing club.
C. An art club and an English club.
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
