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1.
There are ________ ________ _________ pests and ladybirds in Bobby’s garden now. Sam _________ _________ _________ Bobby.
Sam: Look, Bobby. Here are some ladybirds. They _________ _________ you.
2.
Bobby __________ two ladybirds _________ Sam’s hand. He is very __________.
Bobby: They _________ help me. They eat ___________!
Sam: No, they __________ . Look. They have __________ spots.
3.
Sam _________ a ladybird __________ the grapes.
Sam: _________ _________ spots does this ladybird have?
Bobby: It has __________ spots.
4.
Sam’s ladybirds _________ the bad ladybirds and the pests ___________ .
Bobby: Thank you, my friends.
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
