21. In ______ reality, ______ beauty of ______ nature there made an excellent impression on me.

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

22.Nowadays as a journalist, you have to be immediate in covering a news event and _____ in your account of the news story. I dare say it’s really a tough job.

A. accessible          B. accurate            C. abundant          D.adequate            

23. Low-carbon lifestyle is of great benefit to improve the world environment£®______ can be enjoyed from it until you have a deep understanding of it£¬however£®

A. Something          B. Nothing        C. Few             D. Much