搜索
（1）There are ________ letters in English alphabet (字母表).
（2）There are ________ hours in a day.
（3）There are ________ days in a year.
（4）Monday is the ________ day of the week.
（5）There are ________ days in a week.
（6）There are ________ days in October.
（7） ________ ________ is Christmas Day.
（8）There are ________ months in a year.
（9） Forty minus three is ________.
（10）There are ________ seasons in a year.
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
