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It is eight thirty on Saturday evening. Wang Hong and her parents are in their sitting-room. They are talking about their plans for tomorrow’s picnic. They will go to Blue Hill Park. Wang Hong is very excited. Her mother bought a lot of delicious food and fruit. Wang Hong’s friend Ding Yuan will go with them. He will fly his kite there. They will meet at seven thirty at the school gate.
( ) 1.It’s half past eight on Sunday evening.
( ) 2.They’re planning for Sunday’s picnic.
( ) 3.Wang Hong’s mother is going to buy food and fruit.
( ) 4.Wang Hong and Ding Yuan are classmates.
( ) 5.They will meet at the school gate tomorrow afternoon.
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
