(1)A.bag B.same C.jacket D.cap
(2)A.see B.tea C.tree D.pen
(3)A.bike B.kite C.sit D.five
(4)A.let B.pen C.bee D.desk
(5)A.dog B.so C.hot D.box
(6)A.bear B.ear C.chair D.air
(7)A.good B.boot C.food D.soon
(8)A.park B.luck C.farm D.car
(9)A.blue B.compuer C.use D.usually
(10)A.who B.why C.where D.what
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