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( )1.过去我们住在小房子里。
A.We lived in a small house.
B.We live in a small house.
( )2.我们过去没有足够的食物。
A
.We didn’t have enough food.B.We don’t have enough food.
( )3.过去她没有电视和收音机。
A.She didn’t have a television or a radio.
B.She didn’t have a television and a radio.
( )4.中国正在变化。
A.China is changing.
B.China has changed.
( )5.我希望你们身体健康。
A.I hope you are good.
B.I hope you are well.
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
