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| A．not | B．get | C．truck | D．bad | E．better | F．call | G．no |
David Smith is a doctor. But he is 1. _______ a doctor who helps sick（有病的）people. He helps fish. So everyone 2. ________ him “The Fish Doctor!” If their pet fish 3. _________ sick, they call him on the phone. David drives his 4. ________ to the people’s house. In the people’s house. In the truck, he has medicine（药）to help the sick fish to get 5. ________. David is a good doctor. “The Fish Doctor” is always welcome.
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
