There is a general support for the argument Democrats are beginning to make that priority
第1题
But now it is realized that supplies of some of them are limited, and it is even possible to give a reasonable estimate of their"expectation of life", the time it will take to exhaust all known sources and reserves of these materials.
请帮忙给出正确答案和分析,谢谢!
第2题
Television, the most pervasive and persuasive modern technologies, marked by rapid change and growth, is moving into a new era, an era of extraordinary sophistication and versatility, which promises to reshape our lives and our world.
请帮忙给出正确答案和分析,谢谢!
第3题
As my own studies have advanced, I have been increasingly impressed with the functional similarities between insect and vertebrate societies and less so with the structural differences that seem, at first glance, to constitute such an immense gulf between them.
请帮忙给出正确答案和分析,谢谢!
第4题
Expertise can be shared worldwide through teleconferencing, and problems in dispute can be settled without the participants leaving their homes and / or jobs to travel to a distant conference site.
请帮忙给出正确答案和分析,谢谢!
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!