4道高考题、谢谢!以下各题希望得到较详细的解答、谢谢!谢绝不相关回答、请自重!1.California has more

4道高考题、谢谢!
以下各题希望得到较详细的解答、谢谢!
谢绝不相关回答、请自重!
1.California has more electricity then it knows what to do with,but everything else is very expensive.请翻译此句.
2.____to sunlight for too much will do harm to one's skin.
A.Exposed B.Having exposed C.Being exposed D.After being exposed
选哪个、为什么?
3.How many of us attending,say,a meeting that is irrelevant to us would be interested in the discussion?请翻译此句.
4.--Look at the lady on the stage.She is already 50.
--You are joking.She doesn't look ____.
A.is B.that
选哪个、为什么?