It is time we stared to think seriously about the growing shortage of raw materials in the world today and ______ this mad destruction of our environment by our throw-away society.
A．stop
B．stopped
C．to stop
D．would stop

未分类题Galileo found it difficult to believe that the sun rotated around the earth and the earth______the center of the universe.A．to beB．isC．wasD．would be

未分类题______all visible lights, red light has the longest and violet the shortest wavelength.A．AmongB．OfC．ForD．To

未分类题I find the courage of treatment by the author______so delights us, and which large perception only can inspire.A．whoB．asC．whatD．which

未分类题It is illegal to use this equipment for______firing purpose. Unauthorized use is malicious destruction of property and is punishable by a $ 50 000 fine.A．other thanB．none butC．otherwiseD．rather than

未分类题Hurry up, or the tickets______out by the time we get there.A．will have been soldB．will sellC．have soldD．have been sold

未分类题Whenever we hear of a natural disaster, even in the distant part of the world, we feel sympathy for the people______.A．to have affectedB．being affectedC．to have been affectedD．affected

未分类题A very few courses are restricted to people already working in a profession or in other way; ______ this is the case, it is mentioned in the university handbook.A．forB．whereC．sinceD．because

未分类题I advised her not to jump ship before she______a job, but she insisted on quitting the job and trying her luck after that.A．foundB．would findC．was to findD．had found

未分类题Joseph Heller is a great novelist that has thrilled thousands of readers, ______ many American accomplished novelists kneel at his feet and cant help singing his praises.A．so much so thatB．in order thatC．on the understanding thatD．by reason that

未分类题They explained the situation to the steward, who brought over some water. He told them that he______on the route for twenty-five years.A．worksB．workedC．has been workingD．had been working

未分类题Be the consequences______they may, I will not shrink from doing my duty.A．thatB．whichC．whatD．as

未分类题In order to cover his three sons expenses at college, Jack applied to a bank for a loan of 200 000 dollars. The bank approved of his application______his house is to be mortgaged if he cant pay off the loan before the deadline.A．on condition thatB．in the event thatC．with the result thatD．by reason that

未分类题Because he has worked in our company for a very short period of time, I have very little information______my opinion of his value to the company.A．which to be based onB．which to be based onC．to base on whichD．on which to base

未分类题The light, which otherwise______the invalid, was excluded from his chamber by means of shutters.A．disturbedB．had disturbedC．would have disturbedD．must have disturbed

未分类题Go and see for yourself, and you______what be said is true.A．would findB．will findC．would have foundD．should find