将烧结矿放入吊筛内往复摆动10次，筛下0mm～5mm的总重量与试样重量的百分数叫转鼓指数。（）
参考答案：错
Hundreds of drunken left-wings threw stone, bricks and bottles at the police and attempted
to escape________ but failed. [ ]
A. having been punished
B. to have been punished
C. to be punished
D. being punished
逻辑斯谛增长区别于指数增长的地方就是它引入了环境容量这一参数。 [ ]
