Karipidis
said that having more cellphone towers actually reduces the amount of radiation
emitted from cellphones, because they don't have to work as hard to get a signal.这句话的work as hard的修饰关系是什么？
A sedentary lifestyle and a changing diet has doubled the number of obses Australians and trembled the army of fat children in the past decade.用and连接的并列主语后面为什么用单数动词（A and B后面用单数动词）？
...yes are
shining and their faces light up,” she said. “We need artists, more than ever
in our schools.”【翻译】扎菲拉库在阿尔珀顿社区学校开始了这个项目，这是她过去 12 年的工作的地方。“我见过一些神奇的时刻，即当孩子们与令他们鼓舞的...
both...and...的否定式、not
either ...or ...、no …and no…的否定式的区别如：You can’t speak both German and
English.Both my father and my mother aren’t doctors. She isn ’t either a student or a teacher.
If he still did not change his ways, I would try again and again, in whatever way I could, to solve the problem, involving wider and wider circles of people, both above and below the offending executive and including my own boss if necessary, so that everyone involved can see the rewards for teamwor...
Both Brazil and China do rely on each other for a lot. And as Europe slows as we’ve been talking about and U.S. does remain sluggish.句中两个and是表示转折，还是对照？如何理解这两个and在句中的用法？
The UN, in handling Africa-related issues, needs to respect the will of the African people, enlist the AU and other regional and sub-regional organizations in Africa, and encourage and support Africa’s own initiatives and solutions.老师您好，请问 and encourage and support 为什么要两...