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1.圣诞节____________ 2.十二月_____________ 3.已经_______________
4.不久______________ 5.许多的______________6.穿着_______________
7.如；像____________8.圣诞老人____________9.七月_______________
10.夏天______________11.假日_____________12. 五月_______________
13.母亲节____________ 14.九月____________ 15.教师节_____________
16.十月______________17.万圣节___________18. 春天_______________
19.春节______________
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
