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| A. Twenty-four B. afraid C. at for D. your aren’t E. How much F. What G. Tom’s H. No I. me J. Who |
1．—________ is the flower?
—Seven yuan for each.
2．Don’t worry. Let ________ help you.
3．________ and fifty-six is eighty.
4．—Look ________ the computer, it’s ________ you.
—Thank you.
5．—Are these ________ books?
—No, they ________.
6．—Whose CDs are these?
—They’re ________.
7．—________ is that?
—It’s Ann.
8．Don’t be ________, Lulu! We can help you.
9．—Oh, Mom! Hamburgers!
—________ hamburgers!
10．Look! ________ a big elephant!
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
