Smoking is one of the ________causes of cancer，killing millions of people each year.
A．majorB．similarC．commercialD．chemical
A
本題考查形容詞辨析。Major主要的；similar相似的； commercial商業(yè)的；chemical化學(xué)的。句意：吸煙是引發(fā)癌癥最主要的原因之一，每年致死數(shù)百萬的人。故選A。
練習(xí)冊系列答案
相關(guān)習(xí)題

科目：高中英語 來源：不詳 題型：單選題

The situation forced my mother and I exchanged our roles as child and caretaker, making me grow up much faster than the _____ child.
A．a(chǎn)verageB．ordinaryC．commonD．usual

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

All of us are amazed at this______ temple, which has existed more than one thousand years.
A．big Indian yellow old wooden
B．big old yellow wooden Indian
C．yellow big old wooden Indian
D．Indian old yellow big wooden

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Having worked for as long as ten hours, the young man lay on the ground, _____.
A．tiredly and hungrilyB．tired and hunger
C．tired and hungryD．tiring and hungry

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Magaret was so ________ to hear any news of  her lost son that she was almost driven mad.
A．relevantB．a(chǎn)nnoyedC．boundD．dying

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

——What do you think of the speech given by the CEO from Hong Kong ?
——Excellent, I have never heard ______ one before.
A．a(chǎn) more interestingB．the most interesting
C．a(chǎn) more interestedD．the most interested

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

We’re expecting Jerry because he’s our _________ visitor who comes here for holiday every summer.
A．familiarB．regularC．similarD．popular

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Harry Potter stories are____both the teenagers and adults.
A．a(chǎn)ppealing to.B．a(chǎn)ppeal to .C．a(chǎn)llergic toD．a(chǎn)ppealing for

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

It was a really_____experience. Afterwards everybody was very_____ .
A．terrifying; shockingB．terrified; shocking
C．terrifying; shocked D．terrified; shocked

查看答案和解析>>

同步練習(xí)冊答案