在有关施工技术规范中,对石油沥青混合料的碾压温度规定为:开始碾压的温度为 100℃~120℃,碾压终了的温度不低于( ),
A.90℃
B.70℃
C.30℃
D.20℃
参考答案:B
(10无锡6)搜寻犬能根据人体发出的气味发现埋在地震废墟中的幸存者,这能说明
A.分子在不断运动
B.分子间有间隔
C.分子可以再分
D.分子比原子大
This history book is _______ that one, but ______ than that one.
A.as difficult as; interesting
B.as more difficult as; more interesting
C.as difficult as; more interesting
D.more difficult as; as interesting