1、No one can exactly explain the origin of life on earth.1. 在地球上 2. 在世界上 3. 究竟，到底（放在疑問詞后表強調(diào)）Dubai may be the richest city on earth.What on earth are you doing here?die outdie awaydie offdie down滅絕，逐漸消失(聲/光等)逐漸減弱/消失 fade away(人/動物)逐個死去減弱，平息mass n. C a/the mass of 一堆 許多/大量masses of 成堆的 許多/大量the masses 平

2、民百姓mass adj. weapons of mass destructionmass marketingbe/become aware of thatWe have to be (full) aware of the importance of wildlife protection.He suddenly became aware of people (stare) at him.He suddenly became aware that people (stare) at him.As far I am aware, nobody has done anything about it.

3、fullystaringwere staringasdanger n.dangerous adj.endanger vt.endangered adj.These tigers are in because of humans hunting, which is their lives. Now they become species.dangerousdangerendangeringendangeredconcerned adj.concerning prep.be concerned about/foras far as sb. is concerned關(guān)于，涉及對擔(dān)心/擔(dān)憂/關(guān)切就某人

4、而言；某人認為The plan the development of the company really the workers, but the manager is more about the quality of the products.concerningconcernsconcernedliving adj.alive adj.lively adj.live adj.make/earn a living活著的，活的活著的，活的 (表)活潑的，生動有趣的謀生活著的，現(xiàn)場直播的 (表)adaptation n.改編本/適應(yīng)adapt vi./vt.adopt vt.adapt to

5、adapt oneself toadapt sth. for sth.采取/采納/收養(yǎng)把改編成measure n.措施/辦法take measures to do采取措施做measure vt.測量/度量/估量measure linking v度量/尺寸等為measurement n.尺寸/量度 You should take the of the room before buying any new furniture. The government should take immediate to protect the endangered species. The monument m

6、ore than 10 meters tall is the landmark of the city.measurementsmeasuresmeasuringobservation n.觀察/遵守/慶祝/評論The scientists have been observing the rare monkeys for years.“Thats not funny.” he observed.People must observe the traffic rules when driving.Do you know how they observe Christmas?remind sb.

7、of sth./of (w)h-thatto do We are reminded (turn) off the light before leaving the room.He reminded me the teachers words.He reminded me of the teacher had said to us.She was reminded she had to observe the traffic rules.to turnofwhatthat有利可圖的/盈利的；有益的/有好處的profitable adj.non-profit adj.unprofitable ad

8、j.無利可圖的/盈利的；無益的/無好處的非盈利的a non-profit organizationprofit sb./sth.The new policy profits the farmers a fit from sth. The farmers profit from the new policy a lot.影響/作用/效果effect n.affect vt.effort n.afford vt.影響努力支付得起have an effect on有效的effective adj.efficient adj.高效的 So precious is time that we

9、 can not to waste it. We should spare no to protect the endangered species. Human activities may have a bad on the environment. I really admire him for his learning methods. The drugs are against cancer.affordeffortseffectefficienteffective打算/計劃/意圖intention n. C/Uintend doing / to do打算/計劃/意圖 做intend sb. to do打算/計劃/意圖 讓某人做be intended for sb./sth.為某人/事物而設(shè)計的How long do you intend staying / to stay here?I dont intend you to take the trouble.The project is intended for children living in poor areas.existence e into existence= come into beingexist on sth. = live on sth.以為食There exist