An old woman a cat. The cat is very old. It can’t run fast and it catch mice. When the old cat sees a mouse, it tries to the mouse. But the mouse . The woman is very angry about it. Then she has a good idea. She buys a new cat to catch mice. Now the one can rest.
(1)A. have B. has C. had
(2)A. can B. could C. can’t
(3)A. catch B. caught C. catches
(4)A. runs away B. flies away C. walks
(5)A. old B. new C. little
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