学进去-教育应平等而普惠
试题
类型:选择题
难度系数:0.64
所属科目:小学英语
选出正确的应答。
A. Yes, they do.
B. I can see some grapes.
C. Seven.
D. Yes, it is.
E. It’s seven.
F. OK.
G. Yes, we can.
H. I like Maths.
I. At seven.
J. It’ s Thursday.
[[QOrDeR]]When do you do your homework? (_____
【小题2】What day is it today? (_____
【小题3】Can you see a tiger over there? (_____
【小题4】Do they go to school at eight? (_____
【小题5】What subject do you like? (_____
【小题6】What time is it now? (_____
【小题7】What can you see over there? (_____
【小题8】Is it Tuesday today? (_____
【小题9】How many lessons do you have this morning? (_____
【小题10】It’s time for dinner. (_____
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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

用户名称
2019-09-19

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

用户名称
2019-09-19
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