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[主观题]

The population of the earth（)increasing fast. One third of the population here（) worke

The population of the earth()increasing fast. One third of the population here() workers

A is; are

B is; has been

C are; is

D is; was

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更多“The population of the earth（)i…”相关的问题

第1题

The phrase "having outgrown the available food supplies" in the first paragraph implies th

A．the available food supplies will be enough to feed world population

B．the earth is too exhausted to support its increasing population

C．world population will grow at a rate faster than food production

D．food supplies will be too much available for world population

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第2题

According to the passage, all of the following are factors that will tend to increase ther

mal pollution EXCEPT ______.

A．the earth's increasing population

B．melting of the polar ice caps

C．increase in per capita energy consumption

D．expected anomalies in weather patterns

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第3题

Due to the increasing aging population in China, demand（)the caregivers will continu

Due to the increasing aging population in China, demand()the caregivers will continue to rise.

A. with

B. of

C. for

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第4题

If the population of the Earth goes on increasing at its present rate, by the middle of th

e 21stcentury we______all the oil that drives our cars.

A．will use up

B．will have used up

C．have used up

D．will have been using up

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第5题

Which of the following is NOT a cause of increasing decline of wild animal population？A．Ex

Which of the following is NOT a cause of increasing decline of wild animal population？

A．Exploitation.

B．Pollution.

C．Habitat alteration.

D．Congressional law.

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第6题

Water on the earth is being continuously recycled in a process known as the hydrologic cyc

le. The first step of the cycle is the evaporation of water in the oceans. Evaporation is the process of water turning into vapor, which then forms clouds in the sky. The second step is the water returning to the earth in the form. of precipitation, either rain, snow, or ice. When the water reaches the earth's surface, it runs off into the rivers, lakes, and the ocean, where the cycle begins again.

Not all water, however, stays on the surface of the earth in the hydrologic cycle. Some of it seeps (渗透) into the ground through infiltration and collects under the earth's surface as groundwater. This groundwater is extremely important to life on earth since 95% of the earth's water is in the oceans, and is too salty for humans of plants. Of the 5% on land, only 0.05% is above ground in rivers or lakes. The rest is underground water. This groundwater is plentiful and dependable, as it doesn't depend on seasonal rain or snow. It is the major source of water for many cities. But as the population increases and the need for water also increases, the groundwater in some areas is getting dangerously low. Added to this problem is an increasing amount of pollution that seeps into the groundwater. In the future, with an increasing population and more toxic(有毒的)waste, the hydrologic cycle we depend on could become dangerously imbalanced.

The best title for this passage is ______.

A．Water Conservation

B．The Hydrologic Cycle

C．Underground Water

D．Polluted Groundwater

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第7题

Which of the following statements is NOT true？A．World population is increasing at a rate o

Which of the following statements is NOT true？

A．World population is increasing at a rate of 150 per minute

B．lower death rate also contributes to world population growth

C．The population of Columbia has been doubling every year for 21 years

D．The United States is usually doubling its population on about every 87 years

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第8题

Which of the following statements is NOT true？A) World population is increasing at a r

Which of the following statements is NOT true？

A) World population is increasing at a rate of 150 per minute.

B) Lower death rates also contribute to world population growth.

C) The population of Columbia has been doubling every year for 21 years.

D) The United States is usually doubling its population about every 87 years.

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第9题

Water on the earth is being continuously recycled in a process known as the hydrologic cyc

The best title for this passage is ______.

A．Water Conservation

B．The Hydrologic Cycle

C．Underground Water

D．Polluted Groundwater

点击查看答案

第10题

Water on the earth is being continuously recycled in a process known as the hydrologic cyc

le. The first step of the cycle is the evaporation of water in the oceans. Evaporation is the process of water turning into vapor ,which then forms clouds in the sky. The second step is the water returning to the earth in the form. of precipitation, either rain, snow, or ice. When the water reaches the earth's surface, it runs off into the rivers, lakes, and the ocean, where the cycle begins again.

Not all water, however, stays on the surface of the earth in the hydrologic cycle. Some of it seeps (渗透) into the ground through infiltration and collects under the earth's surface as groundwater. This groundwater is extremely important to life on earth since 95% of the earth's water is in the oceans, and is too salty for humans of plants. Of the 5% on land, only 0.05% is above ground in rivers or lakes. The rest is underground. water. This groundwater is plentiful and dependable, as it doesn't depend on seasonal rain or snow. It is the major source of water for many cities. But as the population increases and the need for water also increases, the groundwater in some areas is getting dangerously low. Added to this problem is an increasing amount of pollution that seeps into the groundwater. In the future, with an increasing population and more toxic(有毒)waste, the hydrologic cycle we depend on could become dangerously imbalanced.

The best title for this passage is ______.

A．Water Conservation

B．The Hydrologic Cycle

C．Underground Water

D．Polluted Groundwater

点击查看答案