Last Saturday morning, Jean went to a flower shop. She wanted to buy some flowers for her
mothers birthday. There were many people in the flower shop. Suddenly, Jean saw a beautiful pen on the floor.
“ Whose pen is it?” she asked, but nobody answered.
“ Excuse me, is this pen yours, sir?” she asked the man in front of her.
“ No, it isn’t,” the man said.
“Is this pen yours?” she asked the girl behind her. “Yes, it is! Thank you very much!” the girl said.
“ You’re welcome,” Jean said.
( )1. Last Saturday morning, Jean wanted to buy a pen for her mother‟s birthday.
( )2. Jean saw a pen on the floor, but she did n’ t know whose it is.
( )3. The pen was the man’s.
( )4. There were a lot of people in the flower shop.
( )5. At last, Jean gave the pen to a policeman.
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同类型试题
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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
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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
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