第一部分 选修六 Unit4 Global warming.ppt

3．Perseverance is a kind of quality—and thats what ________ to do anything well. A．one takes B．one is taken C．it takes D．it is taken 解析：句意：毅力是一种品质，是一种做好任何事情都 需要的品质。表语从句中隐含“It takes...to do sth.”句型。 答案： C 4．________ no doubt ________ he plays a very important role in the project. A．It is；that B．It is；whether C．There is；where D．There is；that 解析： There is no doubt that...为固定句型。注意：no doubt后跟that引导的同位语从句。 答案： D 5．(2011·长沙模拟)If the food tastes nice，well buy some； if ________，________. A．no；no B．not；not C．not；no D．no；not 解析：考查省略。全句应为：If the food doesnt taste nice，we wont buy any。 答案： B it的用法(Ⅱ) 1．(2010·安徽高考)It was from only a few supplies that she had bought in the village ________ the hostess cooked such a nice dinner. A．where B．that C．when D．which 解析：考查强调句式。被强调部分是from only a few supplies；句中的“that she had bought in the village”是定语从句，修饰先行词supplies；句子主干为the hostess cooked such a nice dinner。故选B项。 答案： B 2．(2010·湖南高考)Johns success has nothing to do with good luck. It is years of hard work ________ has made him what he is today. A．why B．when C．which D．that 解析：考查强调句型。“It is＋被强调的部分＋that＋保留部分”为强调句型。故选that。 答案： D 3．(2011·石家庄质检)I still remember how many years ago________I last met her in the countryside. A．when it was B．was it that C．when was it D．it was that 解析：考查强调句型。remember后的部分是宾语从句，从句中含有一个强调句型，被强调部分是how many years ago。 答案： D 4．We have made ________clear that we are strongly against smoking in the office. A．this B．that C．it D．one 解析：考查it的特殊用法。句中的it是形式宾语，真正的宾语是that we are strongly against smoking in the office。 答案： C 5．Flowers growing in a well-equipped greenhouse find ______ hard to survive in the wild. A．it B．that C．so D．very 解析：在think/feel/find等词后，常接it作形式宾语，而将真正的宾语放在后面，所以答案为A项。 答案：A Passage 2 (2010·辽宁高考)Too much TV-watching can harm childrens ability to learn and even reduce their chances of getting a college degree，new studies suggest in the latest effort to examine the effects of television on ch