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（_______）(1)A. thirty B. twenty C. usually
（_______）(2)A. homework B. home C.go home
（_______）(3)A. when B. where C. who
（_______）(4)A. after school B. afternoon C. in the afternoon
（_______）(5)A. have lunch B. have dinner C. have breakfest
（_______）(6)A. match B. lunch C. watch
（_______）(7)A. go home B. go to bed C. go home
（_______）(8)A. nine B. night C. nice
（_______）(9)A. play football B. play basketball C. timetable
（_______）(10)A. 5:50 B.5:55 C. 5:15
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
