We don't have sufficient resources to _______ our campaign for long.
A) survive
B) observe
C) sustain
D) maintain

单项选择题They claim that （）1,000 factories closed down during theeconomic crisis.

A. increasingly
B. approximately
C. considerably
D.incredibly

单项选择题At first _______ I thought it was a dog but I was mistaken.A. impressionB. glanceC. assumptionD. instance

单项选择题To _______ the profit should not be the only purpose of a company.A. maintainB. stimulateC. maximizeD. stir

单项选择题It is essential that everything in advance.A.should dwcideB.be decidedC.decidedD.will be decided

单项选择题What he said was so complicated that I _________ after the first couple ofsentences.A) kept trackB) lost trackC) signed upD) fell into

单项选择题The plan for a new office tower went ahead ______ local citizens ’ opposition.A) regardless ofB) in regardC) with regard toD) in spite

单项选择题The economic crises in that country have _______ the stability of thegovernment.A. threatenedB. testifiedC. thrivedD. healed

单项选择题Humans can easily _______ the emotional expressions of chimpanzees.A) cooperate withB) identify withC) meet withD) gowith

单项选择题I think it ’s time to _______ a different strategy in my dealingswith him.A) adaptB) adoptC) defineD) decline

单项选择题加速第一次世界大战结束的最重要的因素是：（）A.交战国国内革命运动的发展B.美国加入协约国对德作战C.日德兰海战德国海军惨败D.意大利态度转变退出同盟国