散碎物料的筛分过程，可以看做由（）和透筛两个过程组成。
A、输送
B、运动
C、分层
D、松散
参考答案：C
---Will you lend me some books on Chinese poems?
----Yes, of course, but now there’s no more than one book for you____.
A．to be chosen from
B．to choose
C．to choose from
D．for choosing
_____ that Marie was able to set up new branches elsewhere.[ ]
A. So successful her business was
B. So successful was her business
C. So her business was successful
D. So was her successful business
