The temperature of the atmosphere becomes colder as elevation increases.
A.altitude B.aptitude C.latitude D.longitude
From this material we can（ ）hundreds of what you may call direct products.
A.derive B.discern C.diminish D.displace
I should be able to finish the task on time,（ ）you provide me with the necessary guidance.
A.in case B.provided that C.or else D.as if
There is nothing wrong, of course, with a country’s questioning its direction and wanting to preserve many of its traditional values. Moreover, Japan isn’t likely to revert to the collusive(诡秘的) and anticompetitive policies of the past. The reform process has gone too far, and corporate behavior has changed too dramatically. But given the magnitude (巨大) of the fiscal and financial challenges ahead, even a slight slowing of the government’s deregulatory efforts and private-sector restructuring could create an eventual disaster. Now’s not the time for Japan to rest on its laurels.
The car, at least as we know it, is on the way out, because its exhaust（ ） a threat to the environment.
A.originates B.poses C.offends D.paralyzes
Known to every man, woman, and child in the town,（ ）.
A.friends were never lacking to my grandfather B.my grandfather was not lacking toward his friends C.my grandfather was not lacking no friends D.my grandfather never lacked friends