1. of后面为什么不能加人名(George、Jim等)或人称代词(you、me等)?2. 最前面为什么不能用the(定冠词)?3. a friend of mine是否等于my friend?如果是的话,请指教两个短语区别。4. a friend of my father/wife/son这种用法对吗?friend、wife...
...确,请大神之指正。For example, one graphic illustration to which
children might readily relate
is the estimate that rainforests
are being destroyed at a rate equivalent to one thousand football fields
every forty minutes - about the duration of a normal classroom period。...
At dusk, a red sky indicates that dry weather is on the way. This is due to the sun shining through dust particles being pushed ahead of a high pressure system bringing in dry air. A red sky in the morning is due to the sun again shining through dust.这篇短文的背景知识是“朝霞不出门...