Environment/energy saving 环境/节能
	从下面选项中选择正确答案；单击“核对答案”按钮，核对你的答案. Your score: 0/6 Your score: 1/6 Your score: 2/6 Your score: 3/6 Your score: 4/6 Your score: 5/6 Your score: 6/6
	1 : Wind power, solar power and hydro power are all considered to be ________ energy.
	endless fast recycled renewable The possible answers were: endless fast recycled renewable You said: endless fast recycled renewable
		完全正确！以上所有的能源方式都是再生能源。 不对, 英语里没有这种说法。 不对, 快速的能量在此处不合逻辑。 不对, 虽然这个词所表达的意思很接近正确答案，再想想！ 你没有回答这个问题。
	2 : If you have a garden, then you might consider installing a _________ to collect rain water for your plants.
	water butt water but bucket water pump The possible answers were: water butt water but bucket water pump You said: water butt water but bucket water pump
		完全正确！Water butt 是专门为接雨水而设计的大水桶。 不对， 拼法错了。 不对，一般的水桶不是为接雨水而设计的。 不对，水泵是排水用的，不是为接雨水而设计的。 你没有回答这个问题。
	3 : A local council in the UK is hoping to save energy and money by _______ 9000 street lamps in areas where their use is not essential.
	turning down turn out switching off switch off The possible answers were: turning down turn out switching off switch off You said: turning down turn out switching off switch off
		不对，您的选择意思不对，turning down 是减低的意思。 不对，您的选择意思是出席 turn out。 完全正确！Switching off 是正确的动名词形式, 意思是关了。 不对, 您的选择意思是对的，但是形式错了。 你没有回答这个问题。
	4 : To help the environment, you can reduce your __________ by not flying.
	carbon monoxide expenses waste carbon footprint The possible answers were: carbon monoxide expenses waste carbon footprint You said: carbon monoxide expenses waste carbon footprint
		不对，waste 是垃圾，意思接近但不是最佳选择。 完全正确！Carbon footprint 就是指因人类活动而制造的二氧化碳量。 不对，carbon monoxide 是一氧化碳。 不对，再想想不乘飞机能减低什么? 你没有回答这个问题。
	5 : In many cold countries, homes have specially designed windows to keep the house warm. What are these windows commonly called?
	double layering double glazing single glazing tinted windows The possible answers were: double layering double glazing single glazing tinted windows You said: double layering double glazing single glazing tinted windows
		不对，就差一个字你就对了。再想想！ 完全正确！Double glazing 就是双层玻璃，对保暖非常有帮助。 不对，Single glazing 单层玻璃对保暖没有太大的帮助。 不对，茶色玻璃 tinted windows 更适合于天气热的国家。 请选择答案。
	6 : Biodegradable means being able to be broken down by the enzymes produced by living organisms. Which of the following objects are NOT biodegradable?
	tin cans apples organge peels paper The possible answers were: tin cans apples organge peels paper You said: tin cans apples organge peels paper
		完全正确！铝罐不能被生物降解。 不对，苹果过几天就会腐烂的。 不对，橙子皮放一段时间就会腐烂的。 不对，纸在合适的环境下会慢慢腐烂的。 你没有回答这个问题。
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