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（_______） 1. You ____ good at music.
A.is B. are C. be
（_______） 2. _____ often work on holidays.
A. Singers B. Doctors C. Teachers
（_______） 3. _____ wants to be a doctor.
A. YangMing B.Julia C. Sally
（_______） 4.____ can make people happy.
A.Singers B. Doctors C Teachers
（_______） 5 ______ is good at music,
A. YangMing B.Julia C. Sally
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
