( )(1)summer A. 冬天 B.秋天 C.夏天
( )(2)season A.月份 B.星期 C.季节
( )(3)December A.十月 B.十一月 C.十二月
( )(4)brown A.黄色 B.棕色 C.绿色
( )(5)close A.关闭 B.开着 C.飞
( )(6)August A.八月 B.七月 C.六月
( )(7)grass A.草 B.树叶 C.花朵
( )(8)then A.在..后面 B.那时 C.在…之前
( )(9)weather A.天气 B.也 C.哪里
( )(10)third A.三 B.四 C.第三
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