( )(1) A.birds B.friend C.sweets
( )(2) A.dress B.driver C.drink
( )(3) A.there B.these C.that
( )(4) A.juice B.cap C.cat
( )(5) A.girl B.orange C.get
( )(6) A.juice B.pie C.milk
( )(7) A.doctor B.school C.student
( )(8) A.how much B.how many C.how old
( )(9) A.some pies B.some pears C.some peaches
( )(10)A.16 yuan B.6 yuan C.60 yuan
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