[填空题]The wall will act as a (defend) （） against flooding.

[填空题]The wall will act as a (defend)（）against flooding.

[简答题]The Aswan Dam for example stopped the Nile flooding but deprived Egypt of the fertile silt that floods left--all in return for a giant reservoir of disease which is now so full of silt that it barely generates electricity.

[单项选择]对明文defend使用密钥为4的恺撒密码加密（T（defend，4）），密文是（）
A. hijirh
B. mnontm
C. jklkqj
D. opqpzo

[简答题]documents against acceptance

[单项选择] Some people ought to defend the workaholic. These people are unjustly accused, abused, and defamed ― often, termed sick or morbid or on the border of pathology. About 30% of American business and commerce is carried on the shoulders of workaholics. The ratio might exist in art and science too. Workaholics are the achievers, the excelers. There is a national conspiracy against excellence and undue admiration of commonness and mediocrity. It is as if we are against those who make uncommon sacrifices because they enjoy doing something. Some famous psychologists say that the workaholic has an inferiority complex which leads to over- compensation. This is certainly not the case. Inferiority, or low esteem, describes laziness more accurately than it describes dedication. We do not seem to realize that very little excellence is achieved by living a well-balanced life. Edison, Ford, Einstein, Freud all had single-minded devotion to work whereby they sacrificed many
A. point out the role the workaholic plays in the American economy.
B. defend people who are addicted to work.
C. encourage us not to worry about our imperfection.
D. consider the difficulties that confront us at middle-age.

[单项选择]Few people would defend the Victorian attitude to children, but if you were a parent in those days, at least you knew where you stood: children were to be seen and not heard. Freud and his company did away with all that and parents have been bewildered ever since. The child’s happiness is all-important, the psychologists say, but what about the parents’ happiness Parents suffer continually from fear and guilt while their children gaily romp about pulling the place apart. A good "old-fashioned" spanking is out of the question: no modern child-rearing manual would permit such barbarity. The trouble is you are not allowed even to shout. Who knows what deep psychological wounds you might inflict The poor child may never recover from the dreadful traumatic experience. So it is that parents bend over backwards to avoid giving their children complexes which a hundred years ago hadn’t even been heard of. Certainly a child needs love, and a lot of it. But the excessive permissiveness of modern
A. stay away from the harmful influence of extreme permissiveness.
B. fall victim to deep psychological wounds they experience at childhood.
C. give full play to the development of the vigorous views of their own.
D. grow up to be more psychologically immature and irresponsible adults.