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（_____） 1. A. I’m 12 years old. B. It’s 12 yuan. C. In our class there are 23 pupils.
（_____） 2. A. I like English. B. In English, I like singing songs. C. English is great fun!
（_____） 3. A. Art is my favourite subject. B. It’s Monday. C. I like working with numbers.
（_____） 4. A. I go to the park. B. I come from China. C. I go to Lake School on North Island.
（_____） 5. A. 12 girls and 11 boys. B. There are twelve. C. Four boys and two girls have pets.
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
