摘要:与break有关的短语: break down ①坍塌.坏掉,②失败,③打破.破除,④制服,⑤拆散.拆除,⑥分解,⑦分类 break into ①闯入,②打断,③占用 break off ①断开.折断,②中断,③绝交 break out ①爆发,②发作,③ - of 逃脱,④ - in 布满 break up ①拆散.解散,②分解.分离,③破碎,④终止,⑤苦恼2.与leave有关的短语: leave sb. alone/be 听任.不打扰.不干预 leave sb./sth. behind 留下.忘记带-- leave in 保留 leave sb. in the dark 不让--知道 leave off sth./doing ①停止,②戒掉,③不再穿-- leave out ①忽略.遗漏,②省略.删除,③不包括.不提及 leave out of 使--不卷入--.把--排除在外 leave -- over ①推迟--,②剩余 leave room for 留下--的余地 be on leave 正在度假期间 ask for a sick leave 请病假

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  On Saturday, hundreds of millions of people around the world will celebrate the 30th anniversary of Earth Day.More than 4, 000 organizations are planning events in almost 200 countries.  1  to be the largest environmental event in history in 2000.

  Earth Day is a yearly call for people to work together to save the planet.  2  that the first Earth Day took place in the United States.Former Senator Gaylord Nelson started Earth Day because he believed few public officials were concerned about the environment.  3   to educate people about environmental issues.

  Earth Day led to the passage of important laws in the United States.Those laws included the clean air and clean water acts and the creation of the Environmental Protection Agency.The environment in the United States is better than   4  .There are stronger laws and better technologies.And more people are concerned about the issues.But there are major threats around the world.These include overpopulation, the reduction in animal and plant species and the rising temperature of the Earth.

    5  that are still the most serious problems in many developing countries.The Earth’s growing population is putting more pressure on land and water supplies.The destruction of tropical forests threatens rare kinds of animals and plants.And that burning fuels, such as oil and coal, is causing a dangerous warming of the Earth.  6   that the global warming could be affecting.

A.It is not only the weather but also the increasing water levels and changing the planet’s structure

B.it was 30 years ago

C.It was on April 22nd, 1970

D.It is expected

E.It is air and water pollution

F.It is his aim

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