Many companies use guards and expensive alarm systems to protect their property(財(cái)產(chǎn))。 Soon a new kind of protection will be used- robots. Engineers have been working on the first mobile robots for businesses. The robots will patrol(巡邏) factories, warehoues(倉(cāng)庫(kù))，and museums at night.
The mobile robots will move around slowly on wheels. They will be able to detect people through walls and pick up sounds, such as breaking glass. They can be fixed with lound sirens(警笛) to frighten thieves, or radios to signal police or guards.
To protect a building, a robot will have to move around without knocking into the walls. Information about the building will have to be stored in the robot’s small, built-in computer. A floor map could be programmed into the computer’s memory, for example.
A mobile robot will not be able to do everything. Unlike human guards, it will not be able to climb stairs, open doors, or move along rough ground. It won’t be able to tell the difference between friends and enemies. Because of that, people will have to be barred from the area it patrols.
One kind of mobile robot will be able to “sense” whether a chair or box has been moved and go around it. This robot will also judge size well enough so that it won’t send an alam if a cat crosses the room. And if someone tries to steal this robot, it will sound a loud, painful siren. The three-foot-tall robot will be hard to steal anyway. It will weigh about 200 pounds.
U.S companies pay almost $10 billion a year to protect their property with alarm systems and human guards. Mobile robots may be cheaper.
【小題1】Why is the new kind of robots called mobile robots?
| A．Because they are able to climb stairs. | B．Because they are able to send an alarm |
| C．Because they can open doors. | D．Because they can move around slowly on wheels |
| A．From a human guard . | B．From a built- in computer. |
| C．From another robot . | D．From radio signals. |
| A．protected | B．a(chǎn)llowed . | C．marked | D．prevented |
| A．sense whether something has been moved. | B．sense a cat crossing the room. |
| C．move over rough ground . | D．detect people through walls. |
| A．protect the museum | B．set off a siren . |
| C．judge the size of a person. | D．patrol buildings. |
DBDCD
解析1．細(xì)節(jié)題：從第二段的句子：The mobile robots will move around slowly on wheels.可知這種機(jī)器人可以再輪子上移動(dòng)，所以是移動(dòng)機(jī)器人。選D。
2． 細(xì)節(jié)題：從第二段的句子：Information about the building will have to be stored in the robot’s small, built-in computer.可知因?yàn)橛袃?nèi)置的電腦，機(jī)器人可以知道方向，答案是B。
3． 猜詞題：從前面的句子：It won’t be able to tell the difference between friends and enemies. 可知人們被阻止進(jìn)入機(jī)器人巡邏的地方。選D
4． 細(xì)節(jié)題：從第三段的句子：it will not be able to climb stairs, open doors, or move along rough ground. 可知機(jī)器人不能在不平的地面上移動(dòng)。選C。
5． 主旨題：從第一段的句子：The robots will patrol(巡邏) factories, warehoues(倉(cāng)庫(kù))，and museums at night.可知這篇文章講的是機(jī)器人如何巡邏大樓。選D。
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In June of the plant’s first year, the gardener looks for new leaves. When the leaves grow, it’s time to shape(給……造型) the bottom of the bush. It needs about five years. The top is not trimmed during this time. In the fifth year, the bush grows tall enough for shaping. Then the gardener begins to shape the whole bush.
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【小題1】 Put the following in the right order according to the passage.
a. The gardener chooses a bush for the topiary.
b. The whole bush grows tall enough for shaping.
c. The gardener begins to shape the bottom of the bush.
d. The gardener draws the shape of a topiary.
| A．d→a→b→c | B．b→c→a→d | C．a(chǎn)→d→c→b | D．d→a→c→b |
| A．In Rome. | B．In Europe. | C．In America. | D．In Africa. |
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Have you ever heard of a famous charity called Operation Smile? We hope we can help you understand how we are trying to help children all over the world. 
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【小題1】Operation Smile is a famous _____, which was started by a doctor and his wife.
| A．school | B．charity | C．building | D．person |
| A．curing the children who have problems with their mouths |
| B．helping poor children go back to school |
| C．helping blind children to see again |
| D．offering houses to homeless children |
| A．there were no more volunteers |
| B．they went to America for further study |
| C．they didn’t have enough money |
| D．the doctors were too busy |
| A．To donate money at local banks. |
| B．To be a volunteer in Philippines. |
| C．To send cards to the needy children. |
| D．To be a doctor of Operation Smile. |
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The Clockwork Radio
The British inventor Trevor Baylis created this really clever ′wind-up radio′ for people from Third World countries. in some parts of the Third World countries, it’s very hard for people to get or pay for enough energy. This radio uses no batteries (電池) and does not need any electricity to run it. A clockwork generator (發(fā)電機(jī)) is put inside the radio and works as the power. When it is fully wound up (上弦), the radio can work for long periods.
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Even former President of South Africa, Nelson Mandella has one of these radios and personally recommends this product to others.
【小題1】What does the clockwork radio use to run it?
| A．Batteries. | B．Electricity. |
| C．A clockwork generator. | D．Wind power. |
| A．the rich countries | B．the poor countries |
| C．Western European | D．Victorian countries |
| A．the clockwork radio can work for only a short period of time. |
| B．Trevor Baylis created the world’s first clockwork product. |
| C．The clockwise radio is also a toy for people of the Third World. |
| D．Nelson Mandella owns one of the clockwork radios. |
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