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【简答题】
一基坑深 5.5m ,基坑底长 50m 、宽 40m ,四边放坡,边坡坡度为 1 : 0.5 ,问挖土土方量为多少?若地坪以下混凝土基础的体积为 3000m3 , 则回填土为多少?多余土外运,如用斗容量为 6m 3 的汽车,问需运多少次?已知土的最初可松性系数 K s =1.14, 最终可松性系数 K s ' =1.05 。
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【单选题】Upon arrival, the pioneers who settled a new area of the frontier would eat which of the following?
A.
Corn, cattle, arid pigs.
B.
Indian maize, native fruits, and wild meat.
C.
Preserved fruits, dried meats, and pine roots.
D.
Fresh food and native vegetables.
【单选题】Upon arrival, the pioneers who settled a new area of the frontier would eat which of the following?
A.
Com, cattle and pigs.
B.
Indian maize, native fruits and wild meat.
C.
Preserved fruits, dried meats and pine roots.
D.
Fresh food and native vegetables.
【简答题】我国交流电的频率为 。
【单选题】Upon arrival, the pioneers who settled a new area of the frontier would eat which of the following?
A.
Corn, cattle, arid pigs.
B.
Fresh food and native vegetables.
C.
Indian maize, native fruits, and wild meat.
D.
Preserved fruits, dried meats, and pine roots.
【单选题】'Frontier', one of many English words that took on new meanings in North America, has assumed as well a role in explaining the continent's history during the past five hundred years. In time the word ...
A.
show his influence in American history studies
B.
indicate the complex nature of the term 'frontier'
C.
reveal the truth about American history
D.
stress the role of 'frontier' in the U.S. history
【单选题】The fact that______can be learned about the 'new frontier' in the text.
A.
Japan has been looking beyond the 'new frontier'
B.
it is filled up with corporate competitors
C.
it results in a major global revival recently
D.
Japanese firms are the latecomers in this area
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