Experts warn that global warming will cause climate changes, including more ______ floods, heat waves and droughts.
A. frequent B. usual C. ordinary D. common
The most satisfying life is one ______ you know the things you’re interested in and pursue it in your own way.
A. why B. where C. to whom D. on which
— Li Lin hasn’t turned up yet, but he promised to come to the party.
— He ______ home. He is a man of keeping his word.
A. can’t leave B. won’t be leaving
C. could have left D. must have left
The rescue team didn’t leave until they were able to find no ______ of life in the ruins after the destructive quake.
A. symbol B. sight C. sign D. signature
______ all the texts that are written, stored and sent electronically, a lot of them are still ending up on paper.
A. For B. From C. Except D. By
Science is more than a collection of unrelated facts; to be meaningful and valuable, ______ must be arranged to show generalized character.
A. which B. those C. it D. they
