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The family members live together for many reasons. They may help to bring up children or to take care of an ill relative. They may also help with saving money. Sometimes children are brought up by their grandparents, for their parents have died or can never take care of them. Many grandparents look after the children, particularly when both parents are busy working.This large family is called extended family.It can be found all over the world. The number of these families has increased by 40 percent in the past ten years. Most of such families live happily together.(判断)
l.In an extended family, people live in different houses.
2.An extend family includes at least three generations.
3.In an extended family, chi ldren are looked after by their grandparents because their parentsare traveling around.
4.Extended families can be found all over the world.
5.Children can live happily with their parents and grandparents.
The world's population has grown to more than six times _____ it was in 1800. |
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A. which B. that C. what D. the number |
Finding the resources to meet this demand in a 【S2】________, sustainable way is the cornerstone of our nation’s energy security, and will be one of the major 【S3】________ of the 21st century. Alternative forms of energy --- bio-fuels, wind and solar, to name a few --- are 【S4】________ being funded and developed, and will play a growing 【S5】________ in the world’s energy supply. But experts say that, even when 【S6】________, alternative energy sources will likely meet only about 30% of the world’s energy needs by 2050.
For example, even with 【S7】________ investments, such as the $93 million for wind energy development 【S8】________ in the American Recovery and Reinvestment Act, important alternative energy sources such as wind and bio-fuels 【S9】________ only about 1% of the market today. Energy and sustainability experts say the answer to our future energy needs will likely come from a lot of 【S10】________ --- both traditional and alternative.
A stable B solutions C significant D role E progress
F marvelous G included H growth I exactly J consist
K comprise L competitions M combined N challenges O certainly
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