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科目: 來(lái)源: 題型:單選題

Students should be encouraged to use _________ Internet as _________ resource.

A.不填;a  B.不填; the C.the; the D.the; a 

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科目: 來(lái)源: 題型:單選題

Paper money was in ____ use in China when Marco Polo visited the country in ____ thirteenth century.

A.the; / B.the; the C./; the D./; /

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科目: 來(lái)源: 題型:單選題

There is no easy walk to __________ freedom anywhere,and many of us will have to pass through __________ valley of the shadow of death again and again before we reach the mountaintop of our desires.

A./;theB.the;theC./:/D.the;/

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科目: 來(lái)源: 題型:單選題

As environment protection is becoming _______ public concern, _______ government is determined to pay more attention to the issue.

A.不填;the B.a(chǎn); 不填 C.the; a D.a(chǎn); the

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科目: 來(lái)源: 題型:單選題

Sun Yang,_Olympic and world swimming champion of China, has received_ indefinite ban from competition following his seven-day detention for driving without a license.

A.the; an B.a(chǎn)n;/ C.a(chǎn)n; the D.the;/

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科目: 來(lái)源: 題型:單選題

The development of industry has been ____gradual process throughout _____ human existence, from stone tools to modern technology.

A.不填; theB.the; aC.a(chǎn); 不填D.a(chǎn); a

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科目: 來(lái)源: 題型:單選題

John, _______ university professor, is considered to be _______ success as ______ expert in the agriculture research.

A.a(chǎn); a; an B.a(chǎn)n; / ; an C.the; /; an D.a(chǎn); the; an 

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科目: 來(lái)源: 題型:單選題

—He has a lot of friends who have a lot in ________ common with himself.
—Indeed.Birds of ________ feather flock together.

A.the; /B.the; aC./; aD.a(chǎn); the

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科目: 來(lái)源: 題型:單選題

(2013·豫北三校聯(lián)考)Friendship is both ________ source of pleasure and ________ component of good health.

A.a(chǎn); a B./; / C.the; a D.a(chǎn); the

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科目: 來(lái)源: 題型:單選題

We can never expect ________ bluer sky unless we create ________ less polluted world.(2009·安徽)

A.a(chǎn);aB.a(chǎn);theC.the;aD.the;the

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