1.
A.big | B.six | C.nice | D.Miss |
A.work | B.wall | C.whose | D.watch |
A.sorry | B.brother | C.some | D.does |
A.yesterday | B.family | C.day | D.Monday |
A.hear | B.pear | C.ear | D.Near |
A.map | B.stamp | C.face | D.cat |
A.three | B.those | C.their | D.these |
A.food | B.foot | C.book | D.good |
A.not | B.no | C.ink | D.ant |
A.names | B.apples | C.faces | D.balls |
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