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（_______） 1. How much is your jacket?
A． It’s black and white.
（_______） 2. How many jackets are there?
B． It’s 100 yuan.
（_______） 3. What colour is the jacket?
C． It’s in my hand.
（_______） 4. How much are the jackets?
D． There are 100.
（_______） 5. Where is the jacket?
E． Yes, there is one.
（_______） 6. Is there a jacket on the table?
F． They are 100 yuan.
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
