Maximum and minimum working temperatures must be considered when choosing the joint, which must be so installed that it is neither over-compressed nor over-extendedThe bold and italic word 'which 'probably means _____.
【简答题】听下面一段独白,回答第1-4题。 1. Why is a good breakfast important? A. Because we usually eat less than other meals. B. Because we are hungry and have a good appetite. C. Because it provides us energy for the whol...
【简答题】阅读理解。 Why should I teach my children history? That sounds like a stupid question to even ask. But, as I hear different home schooling teachers discuss history, I get the idea that there may be differe...