I have a
A.old | B.new | C.small | D.long |
A.live | B.liver | C.living | D.lives |
A.makes | B.riding | C.collecting | D.playing |
A.doctor | B.actress | C.engineer | D.singer |
A.work | B.study | C.studies | D.works |
A.playing | B.plays | C.do | D.doing |
A.accountant | B.actor | C.actress | D.writer |
A.in | B.at | C.of | D.on |
A.drawing | B.playing | C.drinking | D.doing |
A.have | B.has | C.is | D.are |
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