I am John, an American
My father
A.boy | B.girl | C.woman |
A.studies | B.study | C.studying |
A.by | B.take | C.on |
A.have | B.has | C.is |
A.funny | B.strict | C.worried |
A.short | B.long | C.strong |
A.pilot | B.fisherman | C.postman |
A.listening to | B.read | C.listen |
A.factory | B.ship | C.bus |
A.sad | B.angry | C.happy |

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

