搜索
(1)A. windy B.cloud C.sunny D.snowy
(2)A. yesterday B.last weekend C.next weekend D.last year
(3)A. nose B.head C.hear D.tooth
(4)A. angry B.sad C.happy D.play
(5)A.watched B.last C.went D.studied
(6)A.watch B.what C.where D.who
(7)A. window B.door C.fatter D.desk
(8)A. often B.usually C.aways D.tomato
(9)Athinner B.hotter C.bigger D.smaller
(10)Aplant B. bus C.subway D.plane
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
