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【判断题】
软化系数越大的材料，长期受水作用后，其强度降低越多。( )A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】They did not find _____ to prepare for the worstconditions they might meet. A. worth their while B. it worthwhile C. itworth D. it worthy
【单选题】They did not find ______ to prepare for the worst conditions they might meet.
A.
worth they while
B.
it worthwhile
C.
it worth
D.
it worthy
【单选题】从展览会的性质来说，可分为（ ）。
A.
室内展览会和露天展览会
B.
宣传展览会和贸易展览会
C.
单一商品展览和混合商品展览
D.
大型综合展览会、中型展览会、小型展览会和微型展览会
【单选题】They did not find ________ to prepare for the worst conditions they might meet.
A.
it worthy
B.
it worthwhile
C.
it worth
D.
worth their while
【单选题】Why they did not find out the flooding cause?
A.
There were not enough tools
B.
There were not enough crews.
C.
There was not enough water
D.
There was not enough time
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