1.though可以单独使用,而although不可以
2.besides有递进的意思,没有D这种用法
3.要用副词however来修饰形容词much,而whatever是名词.反正以后你看到后面跟much的,肯定用however
4.这题我也不太清楚……
5.不是定语从句,否则后面不能有it,这个是状语从句,犯错误都用where的,习惯用法
6.whether…… + 祈使句,固定结构,“不管……,一定要……”
7.since只有表因果、递进的关系,whereas有转折的意思
这里有对比关系,用however不太顺
翻译:
A qualified teacher should be good at helping students to develop both his body and his mental condition.