A. —How was people's life many years ago?
—There were no tall buildings. cars or buses.
B.—Does Oliver do word puzzles every day?
—Yes. he does.
C. —What will you do at the farewell party?
—I will listen to music, sing a song, play games and eat fresh food.
D. —Will our life be changed in the future?
—Yes. In 2050, there will be house robots.
E. —Did you go to Turpan?
—Yes. 1 saw lots of grapes and ate lots of mutton kebabs. They were delicious.
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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