第一个中央机关报《向导》是在（）创刊的
A.北京
B.广州
C.上海
D.浙江
参考答案：C
I think that keeping a pet is just ________ trouble. I dislike pets at all.
A. too much B. too many C. too few d. too little
设备动火前为什么要取样作爆炸分析？
