搜索
1.—Let’s fly the kite. A
—Great!
2.—Look at my panda.
—Oh, it’s lovely. I like it. B
—Thank you.
3.—Good morning.
—Good morning. C
4.—Mike, this is Chen Jie.
—Nice to meet you. D
—Nice to meet you, too.
5.—May I have some French fries?
—Sure, here you are. E
—Thank you.
—You’re welcome.
6.—Happy birthday!
—Thank you. F
—How many candles?
—10.
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
