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A.dj. 室内的B.The water from indoor fish ponds would be used to water crops. C.室内鱼塘里的水将被用来浇灌农作物
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第1题
The sentence“the water will be lost in it”can be considered as________.A.the water would

The sentence“the water will be lost in it”can be considered as________.

A.the water would be mixed up with the wine

B.the water couldnt:be found in the wine

C.the water would flow through the barrel into the ground

D.the water would be gone in the barrel

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第2题
The counterclockwise swirling of the hurricane is brought about by______.A.the low-pressur

The counterclockwise swirling of the hurricane is brought about by______.

A.the low-pressure area in the center of the storm

B.the force of waves of water

C.the trade winds

D.the increasing heat

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第3题
When sailing in cold zones, the____ should be drained of water.A.the ventilation pipeB.the

When sailing in cold zones, the____ should be drained of water.

A.the ventilation pipe

B.the water line for fire fighting on the deck

C.the fuel oil line

D.the water supplying line in bath room

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第4题
The deeper divers goes down in the sea,A.the wanner the sea becomesB.the colder they find

The deeper divers goes down in the sea,

A.the wanner the sea becomes

B.the colder they find the sea is

C.the less the water above presses down

D.the heavier their clothes must be

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第5题
Which often following statements is not true about British coal mining?

A.British has used up almost all coal deposits

B.The demand for British coal has declined

C.Petroleum, water power, and electric power replacing coal for many purposes

D.The old British mines are narrow and deep, making it difficult to use machines

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第6题
From the last three paragraphs we know that ______.A.lengthening the existing 53-kilometer

From the last three paragraphs we know that ______.

A.lengthening the existing 53-kilometer subway is among the 50 large projects

B.the length of the subway will be up to 135.25 kilometers in 2005

C.a 40.5-meter-long line will be added to Beijing's first light railway

D.a 70-meter-wide green belt will supply us with enough water

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第7题
You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE?A.

You are cleaning the tanks after carrying a cargo of crude oil. Which statement is TRUE?

A.Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleaned

B.The hoses to portable cleaning machines should be disconnected before the machines are removed from the tank

C.The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residue

D.Steam cleaning and water washing are both capable of generating electrostatic charges within a tank

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第8题
RYTLX DD 5TH/4 HAVING CONTACTED HARBOUR OFFICE AND LOCAL SALVAGE COMPANY WE WUD LIKE TO AD
VISE TT,THEY ARE GLAD TO ASSIST YOU TO POSITION THE ANCHOR AND GET IT OUT OF WATER. This fax says that ______.

A.they are glad to salvage the anchor

B.the HARBOUR OFFICE has been advised that the anchor has been gotten out of water

C.the LOCAL SALVAGE COMPANY can hardly salvage the anchor

D.both HARBOUR OFFICE and LOCAL SALVAGE COMPANY will be contacted to salvage the anchor

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第9题
Rivers are one of our most important natural resources (资源). Many of the world&39;s grea

Rivers are one of our most important natural resources (资源). Many of the world&39;s great cities are located(坐落) on rivers, and almost every country has at least one river running through it that plays an important role in the lives of its people.

Since the beginning of the history, people have used rivers for transportation(运输). The longest one in the United States is the Mississippi. The lifeline of Egypt is the Nile. To the people of India, the Gangs is great, but it is also important for transportation; Ships can travel along it for a thousand miles. Other great rivers are the Congo in Africa and the Mekong in southeast Asia. The greatest of all for navigation (航海), however, is the Amazon in Brazil. It is so wide and so deep that large ships can go about two thousand miles upon it.

Besides transportation, rivers give food, water to drink, water for crops(庄稼), and chances for fun and entertainment for the people who live along their banks. In order to increase(增加) the supply of crops, engineers sometimes build a dam (大坝) across a river and let a lake from behind the dam. Then people can use the water not only to irrigate (灌溉) their fields but also to make electricity for their homes and industries.

However, large cities and industries that are located upon rivers often make problems. As the cities grow in size and industries increase in number, the water in the rivers becomes polluted with chemicals(化学物质) and other materials. People are learning the importance, however, of doing more to keep their rivers clean if they want to enjoy the benefits (利益) of this natural resource.

The greatest river for navigation is ___________.

A.the Amazon

B.the Nile

C.the Mekong

D.the Mississippi

From a dam, people can use the water for ___________.A.keeping the rivers clean

B.only making electricity

C.washing clothes

D.irrigation and making electricity

The water in the river is polluted because of _____________.A.people's drinking water too much

B.people's swimming in the river too much

C.chemicals and other materials

D.people's building a dam across a river

The best title of the passage is ___________.A.Rivers in Cities

B.The importance of Rivers

C.Transportation

D.Natural Resources

请帮忙给出每个问题的正确答案和分析,谢谢!

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第10题
When we turn on a tap to get water, or press a switch to get electricity, we do not think
of all the pipes and wires which bring these main services to our homes.

The water is brought from the waterworks to each street by a large underground pipe—a water main. The water in this pipe is then forced by pressure into the smaller pipes which carry it to storage tanks at the tops of the buildings. Other pipes bring the water down from the storage tank to the kitchens and bathrooms in the building.

When the water has been used, it is taken away from the building by drainpipe. These take the waste water to another large pipe under the road—the main sewer. The waste water then flows along the sewer to the sewage works where it is cleaned. This "clean" water is then poured into the sea or into a river, or in some countries, sent back to the waterworks to be used again.

Electricity is also brought to the house by a main, in this case a cable. This cable may be underground or, in country districts, it may hang above ground on pylons. The cable is connected to a meter in the building. This meter measures the amount of electricity that is used in the building. Near the meter there is a master switch which can cut off the supply of electricity. There are also fuse boxes between the master switch and the wires which take the electricity to each of the switches in the building. All these wires, fuses and switches are the "wiring circuit".

It can be inferred from this passage that______.

A.water and electricity are the only main services in our homes

B.the pipes bringing water to our homes are unimportant

C.water is less significant than electricity in our homes

D.we are unaware of how water or electricity is brought to our homes

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第11题
Considered as a continuous body of fluid, the atmosphere is another kind of ocean. Yet, in
view of the total amount of rain and snow on land areas in the course of a year, one of the most amazing water facts is the very small amount of water in the atmosphere at any given time. The volume of the lower seven miles of the atmosphere--the realm of weather events- is roughly four times the volume of the world's oceans. But the atmosphere contains very little water. It is chiefly in the form. of invisible vapor, some of which is carried over land by air currents. If all vapor suddenly fell from the air onto the earth's surface, it would form. a layer only about one inch thick. A heavy rainstorm on a given area may use up only a small percentage of the water from the air mass that passes over. How, then, can some land areas receive more than 400 inches of rain per year? How can several inches of rain fall during a single storm in a few minutes or hours? The answer is that rain yielding air masses are in motion, and as the driving air mass moves on, new moist air takes its place.

The basic source of most water vapor is the ocean, evaporation, vapor transport, and precipitation (陈雨) make up the continuous movement of water from ocean to atmosphere to land and back to the sea. Rivers return water the sea. In an underground arc (弧) of the cycle, flowing bodies of water discharge some water directly into rivers and some directly to the sea.

What might have been discussed before this passage?

A.The ocean.

B.The earth.

C.The rainfall.

D.The atmosphere.

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