我国北方一些大城市大气质量较差的季节是()
A、冬季
B、夏季
C、春季
D、秋季
参考答案:A
—Sorry,I can't go camping with you. I have to prepare well enough for the entrance-exam.
—________!We can camp together next time.
A.Don't say so
B.Congratulations
C.Good luck
D.No problem
公元前157年,最后一位吴氏长沙王去世。他的名字是什么呢?