make the earth's atmosphere.3.As the earth cooled down, water began to appear on its surface.It allowed the earth to dissolve 4.harmful (harm) gases.Then life began to develop.

　　The first small plants multiplied and filled the oceans and seas 5.with oxygen.This encouraged the 6.development (develop) of early shellfish and fish.Land animals such as insects, reptiles 7.and dinosaurs and so on appeared after green plants appeared.Small clever animals spread all over the earth.They 8.are_putting (put) too much carbon dioxide into the atmosphere, which prevents heat from 9.escaping (escape) from the earth into space.Whether life will continue on the earth for millions of years 10.to_come (come) will depend on whether this problem can be solved.

　　Ⅴ.串点成篇微表达

　　这条河流的两岸有(exist)许多工厂，有些已经对环境造成损害(harm)。去年，有家工厂曾经发生剧烈(violently)爆炸。因此，当地人们都陷入到巨大的恐慌中。听到已经及时(in time)采取措施阻止(prevent ...from)污染的进一步恶化，他们都感到非常高兴。

　　There_exist_many_factories_along_the_river,_some_of_which_have_done_great_harm_to_the_environment.Last_year,_one_of_them_exploded_violently;_as_a_result,_the_local_people_got_into_a_great_panic.Hearing_that_some_measures_had_been_taken_in_time_to_prevent_the_pollution_from_getting_bad_to_worse,_they_were_all_more_than_glad.

　　二、勤练高考题型，多练自能生巧

　　Ⅰ.完形填空

　　I had thought today was going to be an ordinary day.However, by 9 a．m., I realized it was something very __1__.

　　For the past week, I've been a bit __2__.My kids are scattered (分散) around the world, and I miss them being part of our __3__ life - you know, dropping in for dinner, being able to meet the girls on a Saturday and go shopping, that sort of thing.

　　I must __4__ feeling a bit sorry for myself.When I told my kids that it was important for them to __5__ and leave home to follow their dreams, I didn't think they would __6__ because they always paid little attention to what I said.

　　But today was a reality check.

　　Firstly, I __7__ a message from my youngest daughter this morning, which __8__ me she got a new job.Five months ago, she __9__ her things and moved to Vancouver alone.__10__， she had no where to live and had no job.__11__， she has found a place to live and has found a job now.She's feeling right at home in her new city.

　　The next __12__ was from my son, who has been __13__ in Montreal for two years.His __14__ is going from strength to strength.He __15__ out as a video editor and now a producer.His videos __16__ get over 1 million hits and some of them over 10 million.

Then to top it off, I was listening to my oldest daughter reading breakfast news for Drive Time, one of the country's most popular breakfast radio stations.Today __17__ to be the