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Hiking is _____ great fun. You will get close to ____ nature and take exercise at the same time.

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

With the word “ PM2.5” _________ appearing in media reports, people pay greater attention to it and seek health tips for smoggy days.

A. constantly??? ?? ????????????? B. consequently?? ????????????? ????????????? C. permanently??????? ????????????? D. immediately

__________ our efforts to save houses dating back to the Ming Dynasty, the local government decided to pull them down to build modern buildings there.

A. In case of?????? ????????????? B. In spite of????? ????????????? C. In terms of???????? ????????????? D. In praise of

In most cases, college graduates don't mind what job they will do so long as it is one ______ they can earn money to support themselves.

A. what????????????? ????????????? ?? ????????????? B. where????????????? ????????????? ????????????? ????????????? C. that????????????? ????????????? ????????????? ????????????? ????????????? D. how

To reduce emissions of greenhouse gases, many countries are increasing the use of natural gas, wind and other forms of _______ energy.

A. abandoned????????????? ?? ????????????? B. original??? ????????????? ??? C. alternative????????????? ??????? ????????????? D. precious

Scientific researches show that to __________ a language one had better often get exposed to it.

A. acquire???????? ????????????? B. access????????? ????????????? C. acknowledge???????? ????????????? D. assess

__________him not to do so, he wouldn’t have made such a serious mistake.

A. Did I persuade?? ????????????? B. If I persuade??? ????????????? C. If I should persuade???? D. Had I persuaded

—Real Madrid is sure to win the match !

—It’ s hard to say . You know, anything ________ happen even in the last minute.

A. need????????????? ????????????? ????????????? B. must????????????? ????????????? ????????????? ????????????? C. should????????????? ????????????? ????????????? ????????????? ????????????? D. can

All the factors ________,we decided to offer the job to Liwei , a man of rich experience.

A. considered????????????? ????????????? B. being considered????????????? ????????????? C. considering????????????? ????????????? ????????????? D. having considered

You can take the rest of the pie with you. ___________, I wish you would, since I’m on a diet.

A. On the other hand??? B. As a matter of fact??? C. As a consequence?? D. In addition to it