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( )1. Did she go to see a film?
| A．It’s half past three. ( )2. where is my bag? | B．It’s under the bed. ( )3.When are you leaving? C.Yes, she did. ( )4.Who can help me? | C．She bought a present for Daming. ( )5. What did mum buy? | D．I can help you. ( )6. What do you want to eat? | E．I am reading a book. ( )7. What is the time? | F．On Saturday morning. |
( )9. What are you doing? I. Rice, please.
( )10.When was Confucius born? J.Thirteen.
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
