TG型蓄电池在充电初期，端电压（）
A.升高很慢
B.升高很快
C.下降很慢
D.下降很快
参考答案：B
________ different life today is from ________ was fifty years ago! [ ]
A. What a; what
B. How; what
C. What; what
D. What a; how
什么是企业文化？
