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【多选题】
对互斥方案进行经济比选的动态分析方法有( )。A.
现值比较法
B.
年值比较法
C.
最低价格法
D.
效益费用法
E.
计算费用法
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举一反三
【单选题】一个建筑物上部为四棱锥,下部为长方体,且四棱锥的底面与长方体的上底面尺寸一样,已知长方体的长、宽、高分别为20m,5m,10m,四棱锥的高为8m,若按1500的比例画出它的直观图,那么直观图中,长方体的长、宽、高和棱锥的高应分别为( )
A.
4cm，1cm
B.
，2cm，1.6cm
C.
4cm，0.5cm，2cm，0.8cm
D.
4cm，0.5cm，2cm，1.6cm
【单选题】She _____ that it was the best chocolate cake she had ever tasted.
A.
declared
B.
required
C.
pondered
D.
claimed
【单选题】She _____ that it was the best chocolate cake she had ever tasted.
A.
declared
B.
improved
C.
served
D.
revived
【简答题】Chocolate ever was a valuable and fashionable beverage and was believed a which has nutritious, and even aphrodisiac properties .
【简答题】Passage One The year was 1979. China’s per capita income was less than $200. Bicycles, not cars, were the main transportation mode across the country. More than 80 percent of the population lived in r...
【单选题】儿童分离性焦虑障碍的主要临床特点下列哪项说法是错误的()
A.
多发生于学龄前儿童
B.
与亲人离别时出现过分焦虑，惊恐不安
C.
不愿独睡，需亲人陪伴
D.
常出现肢体运动不能或躯体感觉障碍
E.
无故担心亲人可能遭受意外
【单选题】She ____________ that it was the best chocolate cake she had ever tasted.
A.
dismissed
B.
diplayed
C.
declared
【单选题】She _____ that it was the best chocolate cake she had ever tasted.
A.
declared
B.
delayed
C.
deserved
D.
dominated
【单选题】She _____ that it was the best chocolate cake she had ever tasted.
A.
declared
B.
declare
C.
compared
D.
compare
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