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Jill and Kate are going hiking with their classmates tomorrow. They want to take some fruit with them. Jill likes oranges and Kate likes apples. When they get to the supermarket, they can’t find any oranges, and the apples are too green. “What are we going to buy now?” asks Kate. “Hey, what’s that big round fruit over there?” asks Jill. “I don’t know. Let’s ask the salesgirl.” “Excuse me. What’s this?” asks Kate. “It’s a grapefruit(柚子),” answers the salesgirl. “Why don’t we buy one?” asks Jill. “OK. We will have a fun hiking and eat a new kind of fruit!” says Kate.
1．Kate and Jill are going hiking today. （2．Jill likes oranges and Kate likes apples. （
3．They don’t buy apples because the apples are too green. （
4．They buy a grapefruit at last. （
5．They have nothing to eat tomorrow. （
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
