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What do you think is the most useful in our life?
Alice: I think the mobile phone is the most useful. We can talk to people far away from us. And we can send messages, take photos and do many other things with the mobile phone. My father bought one for me when I was eleven. I use it every day.
Jenny: There are many useful things-the train, the car, the plane…But I think the most useful thing is the air conditioner. I live in Hong Kong. It's very hot in summer here. If we don't have air conditioners, we can't work or study. A lot of people will be ill if they don't use them.
Kitty: The Internet is the most useful. My parents have a clothes shop in Shanghai. We have a website (网站). Now, people from all over the world can buy our clothes on our website. We often send e-mails on the Internet. It's fast. And that's cheaper than(比……便宜) using the mobile phone.
Sam: I also think the Internet is useful. But I think electricity is the most useful. Many things work with electricity.
1．Who thinks the mobile phone is the most useful? ( )| A．Sam. | B．Jenny. | C．Alice. |
| A．风扇 | B．冰箱 | C．空调 |
| A．often use mobile phones |
| B．sell clothes to the people from all over the world |
| C．like to go shopping on the Internet |
| A．watches the news | B．sends e-mails | C．reads e-books |
| A．Alice got a mobile phone from her father at the age of 11. |
| B．Jenny lives in a cold place and the people there often get ill. |
| C．Sam thinks the electricity is useful, but he doesn't think the Internet is useful. |
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
