(_____)1.A.year B. pear C. near D. dear
(_____)2.A.arm B. warm C. park D. party
(_____)3.A.here B. wear C. ear D. near
(_____)4.A.e-book B. clever C. pen D. weather
(_____)5.A.wanted B. cooked C. worked D. jumped
(_____)6.A.kite B. film C. give D. this
(_____)7.A.climbed B. talked C. picked D. worked
(_____)8.A.her B. brother C. doctor D. worker
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