(2013·安徽,21)From space, the earth looks blue.This is ________about seventy­one p

(2013·安徽,21)From space, the earth looks blue.This is ________about seventy­one p

题型:不详难度:来源:
(2013·安徽,21)From space, the earth looks blue.This is ________about seventy­one percent of its surface is covered by water.
A.whyB.howC.becauseD.whether

答案
A
解析
考查名词性从句。此处考查表语从句。根据句意:地球看起来是蓝色的。这是因为其表面71%是被水覆盖的。
举一反三
Honesty is a basic element in friendsmaking and that is ________ it requires to keep everlasting friendship.
A.howB.whichC.whetherD.what

题型:不详难度:| 查看答案
According to Aristotle,we are ________ we repeatedly do.Excellence then,is not an act,but a habit.
A.whichB.whenC.whereD.what

题型:不详难度:| 查看答案
Professor Tang didn"t give us a speech today.It was ________ he had a traffic accident on the way to school.
A.thatB.whenC.whyD.because

题型:不详难度:| 查看答案
(2013·高考安徽卷)From space,the earth looks blue.This is ________ about seventy­one percent of its surface is covered by water.
A.whyB.how
C.becauseD.whether

题型:不详难度:| 查看答案
It is often said that home is _______ the heart is and now part of my heart is with my new classmates.
A.whatB.howC.whereD.when

题型:不详难度:| 查看答案
最新试题
热门考点

超级试练试题库

© 2017-2019 超级试练试题库,All Rights Reserved.