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（______） 16. The sports meet is on __________.
A. May 10th. B. April 7th C. June 1st
（______） 17. Sarah often __________with her mum on the weekend.
A. cleans her room B. reads a book C. goes shopping
（______） 18. Mike likes ________ best.
A. winter B. summer C. spring
（______） 19.The cute dog is ____________.
A. ours B. Mike’s C. Amy’s
（______） 20. The rabbits are ______________.
A. jumping B. sleeping C. playing with each other
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
