“几十年前还统治全球的欧洲大陆的前途这时似乎是暗淡的、危险的。但20世纪50年代后,东欧和西欧各国却惊人地东山再起。这一复兴同中国日益增长的实力和自信一起导致了一种全新的世界政治格局。美苏短暂的首要地位让位于一种新的多元化社会。这实质上意味着全球地方主义的恢复——至少从政治上来看是如此。”上述材料意在说明( )
They offered courses _________ students know the importance of protecting the Huanghe River.( )
A.helpB.helpedC.helpsD.to help
Compared with a 1﹣day weekend, a 2﹣day weekend is ____ as we may have enough time for our hobbies.( )
A.more pleasantB.less pleasant
C.the most pleasantD.the least pleasant
As soon as books ______, the volunteers posted them to the students in Hope Primary School.( )
A.are raisedB.were raised
C.raisedD.have raised
The children are jumping excitedly because they have _______ the design perfectly in groups.( )
A.completedB.controlledC.contactedD.caused
Max got lost and was trapped in the forest for 10 hours _______ a farmer nearby found him.( )
A.ifB.sinceC.untilD.after