民用建筑的门、窗嵌缝,宜选用( )。
A.沥青嵌缝油膏B.丙烯酸类密封膏C.塑料油膏D.F类硅酮密封膏
参考答案:B
“不抛弃,不放弃”是一种责任。正是因为“不抛弃,不放弃”,才使西南地区人民的“渴”望成为希望;正是因为“不抛弃,不放弃”,才使矿井下生命存活的渺茫变成生还的奇迹。下列观点与材料所蕴涵的哲学原理相同的是[ ]
①乱生于治,怯生于勇
②蝉噪林愈静,鸟鸣山更幽
③射人先射马,擒贼先擒王
④冰冻三尺,非一日之寒
A.①②
B.③④
C.②③
D.①④
The happiest people are not those ________ have the best of everything, but ________ make the best out of everything.
A.who, that
B.who, who
C.that, who
D.that, that