The reason ______ most Chinese have healthy white teeth is ______ they eat a healthy diet.
A．why; thatB．why; becauseC．that; thatD．for; that
A
考查定語從句及名詞性從句。句中why引導定語從句，先行詞the reason在從句中作原因狀語；that引導表語從句，故選A。
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 weather turned out to be very good, ____ was more than we could expect.
A．whatB．whichC．thatD．if

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

–Mr. Smith is no longer ________he used to be.
--So he is. Success and wealth have _________ his character.
A．what; trainedB．who; transferredC．what; transformedD．who; transformed

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

— No one can answer the question _______ we can complete the task in time, do you know?
— Yes, and this is because we don’t know the way _______ the scientist used last time．
A．whether; whichB．if; which
C．whether; in whichD．if; in which

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Safety in school has been of great concern (關注) because of recent reports about accidents _____ students got injured or killed at school.
A．for whichB．whenC．whichD．in which

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

After retirement, learning a musical instrument may be harder than ______ when you were a kid.
A．it mayB．it wasC．it doesD．it did

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

For a moment nothing happened. Then  ______all shouting together.
A．voices had cameB．did voices comeC．came voicesD．voices would come

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

_______ important advice father gave us the other day!
A．WhatB．What anC．How aD．How an

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

He liked to go to dances and parties, _____ he could have a good time just sitting and watching.
A．whereB．whenC．whichD．why

查看答案和解析>>

同步練習冊答案