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ng creatures in the outer space as those on Earth hasn39。t been proved until now.A.How B.When C.Where D.Whether解析:本題考查名詞性從句。句意為:外太空是否存在像地球上一樣的生物還不能確定。whether引導主語從句。答案:D10.(2012蘇州模擬)The media today can draw public attention to ________ help is actually needed.A.that B.which C.where D.whose解析:本題考查賓語從句的引導詞,結合題干,where引導賓語從句并且在賓語從句中作地點狀語。答案:C11.(2011汕頭模擬)Although I like cars, I don39。t want to buy one. My reason is ________ the price of oil keeps rising all the time.A.because B.thatC.why D.how解析:考查表語從句。當句子的主語是reason時,表語從句常用that引導,不用because。語意“盡管我喜歡車,但我不想買。我的理由是油價一直在上漲”。答案:B12.(2012衡陽月考)—I was late this morning.—Is that ________ your alarm clock failed to go off again?A.why B.howC.because D.when解析:考查表語從句?!拔医裉爝t到了”是結果,“鬧鐘沒有響”是原因,because 用來陳述原因,why后面跟結果。答案:C13.The value of life lies not in ________ many days we live, but in ________ use we make of them.A.that;whi