精英家教網 > 高中英語 > 題目詳情
(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
A
考查名詞性從句。此處考查表語從句。根據句意：地球看起來是藍色的。這是因為其表面71%是被水覆蓋的。
練習冊系列答案
相關習題

科目：高中英語 來源：不詳 題型：單選題

—The two people speak different languages and can not communicate with each other well.
—Oh，I see.That’s ________ misunderstanding occurs.
A．whenB．whatC．thatD．why

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Meals in Spain are quite different from          they have in China.
A．whichB．whatC．thatD．whom

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

(2013·遼寧五校第一聯(lián)合體高三考試)—Children must have access to good books.
—I can't agree more. Reading is to the mind ________ food is to the body.
A．thatB．whatC．likeD．as

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

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

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

He kept yawning in class this morning. That is _____ he stayed up late doing his homework last night.
A．whyB．howC．becauseD．whether

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

_______ puzzled Li Lei a lot was _______ his best friends didn’t come to school this morning．
A．That; whyB．That; whatC．What; whetherD．What; why

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

-- Why do you walk so strangely?
--- This is ______ I fell over myself accidently yesterday and my left leg got hurt.
A．whyB．becauseC．wantD．where

查看答案和解析>>

同步練習冊答案