Ⅰ.Match the word with its meaning. 1．astronomy A．学说；理论
2．system B．猛烈的；激烈的；强暴的 3．theory C．大气层；气氛 4．violent D．基本的；基础的 5．atmosphere E．乘；增加 6．fundamental F．谜；(使)迷惑 7．harmful G．存在；生存 8．multiply H．有害的 9．exist I．天文学
10．puzzle J．系统；体系；制度 答案：1～5IJABC6～10DHEGF
Ⅱ.Write down the meaning of phrases in each sentence. 1．The truth will come to light in time.迟早
2．As we know, laying eggs is the ant queen's full-time job.下蛋
3．Once she has made up her mind, nobody can prevent her from carrying out the plan.阻止 4．When it was in my turn, I was too excited to speak.轮到
5．Jane has just given birth to twins, so her mother must be in the hospital looking after her now.分娩 6．My relationship with the actors is fundamental to my work as a director.对……(来说)是基本的
Ⅰ.No one knows exactly how the earth and life began, but ancient legends (传说) may tell us something about it. Look at the following pictures and fill in the blanks.
①Picture A may tell us Pangu separates the sky from the earth.
②Picture B may tell us the Goddess Nvwa mended the heaven and created human beings from the clay (黏土)．
③Picture C may tell us according to theBibleGod created the world in seven days. Ⅱ.Discussion: Are you interested in astronomy? Why?
Yes,_I_am._Because_I_want_to_know_more_about_the_stars,_the_moon,_the_sun_and_the_universe._If_we_explored_and_studied_them_very_well,_we_can_serve_for_our_country_and_human_beings_very_well.
Ⅰ.Fast-reading
1．Match the main idea with the proper paragraph. Para. 1A．The formation of the earth.
Para. 2 B．A widely accepted theory about the formation of the universe. Para. 3 C．The development of plants and animals on the earth. Para. 4 D．The arrival of humans and their impact on the earth. Para. 5 E．The importance of water for life. 答案：Paras.1～5BAECD
2．What does the passage mainly tell us? A．The importance of water. B．How the life began on the earth. C．How human beings appeared. D．How plants appeared. 答案：B
Ⅱ.Careful-reading
Read the text carefully and choose the best answer.
1．Why was life able to develop on the earth but not on other planets? A．The earth had a solid shape.
B．The earth didn't have harmful gases in its atmosphere. C．The water stayed on the earth but not on other planets.
D．The earth was not too hot and not too cold. 2．Why are plants important on the earth? A．They produce oxygen for animals. B．They provide the shade for animals. C．They provide a beautiful scene.
D．They protect the soil from being destroyed. 3．What is the correct order according to the text?
①The clever animals with hands and feet appeared and spread all over the earth. ②The “Big Bang”．
③Small plants began to appear on the surface of the water. ④65 million years ago, the age of the dinosaurs ended. A．②①③④B．④③①②
C．②④③① D．②③④①
4．Early humans appeared after dinosaurs died out ________ million years later. A．67.6 B．62.4 C．65 D．140 答案：1～4CADB Ⅲ.Study-reading
Analyze the following difficult sentences in the text.
1．No one knows exactly how the earth began, as it happened so long ago.
[尝试翻译]没有人确切地知道地球的起源，因为那是很久以前的事了。 2．What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.
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