模块三 unit1 知识点整理全面,练习同步度高,有解析。非常实用。

However，in most countries waste products are still put into rivers or into the sea，and there are few laws to stop this.

We know，too，that if the population of the world continues to rise at the present rate，in a few years，there will not be enough food.

What can we do to solve these problems？

If we eat more vegetables and less meat，we will easily get more food. Land that is used to grow crops can feed five times more people than land where animals are kept.

The world s population will not rise so quickly if people use modern methods of birth control.

Finally，if we educate people to think about the problems，we shall have a better and cleaner

Section B (10 marks)

Directions：Read the following passage. Answer the questions according to the information given in the passage.

Playing is serious business for children. In fact，it s what they do best！Ask them why they do it，and kids will probably say，“Because it s fun！”But it s much more than that. It s also good for them.

Studies show that from birth babies begin learning through play. They use their five senses to get to know their new world. Touching allows them to discover how different things feel. Brightly colored toys and clothing help develop a baby s sense of sight.

When small children choose which toy to play with，they begin developing their abilities in making decisions.

Children love toys that allow them to use their imagination. Sometimes an empty box is more fun than a high-tech toy. That s because a box can become anything a child imagines it to be.

Crayons，paints and Play-Doh(彩色塑泥)are also good because they allow children to create. Traditional building blocks teach important pre-math skills like problem-solving.

Playing doesn t become any less important once children start school. Many valuable lessons about life are learned on the school playground. Kids learn how to share，take turns and play by the rules.

81. What can children do best in their childhood？(No more than 1 word)

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82. What help develop a baby s sense of sight according to the passage？(No more than 5 words)

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