（2016·浙江）In this article , you need to back up general statements with ________ examples.
A. specific B. permanent
C. abstract D. universal
(2016 ·浙江)Had the governments and scientists not worked together, AIDS-related deaths ________ since their highest in 2005.
A. had not fallen B. would not fall
C. did not fall D. would not have fallen
When the time came to make the final decision for a course, I decided to apply for the one that _________my interest.
A. limited B. reserved
C. reflected D. spoiled
A sudden stop can be a very frightening experience, _________ if you are travelling at high speed.
A. eventually B. strangely
C. merely D. especially
When their children lived far away from them , these old people felt ______from the world.
A. carried away B. broken down
C. cut off D. brought up
（2016·浙江）Scientists have advanced many theories about why human beings cry tears, none of ________has been proved.
A. whom B. which
C. what D. that
