_____ book on the desk is Li Ping's.[ ]
A. A
B. An
C. The
D. /
答案：C
The climate conference was attended by 11,000 people, it the largest UN gathering ever held.
A．making
B．to make
C．made
D．to be making
圆盘剪板机是利用两个圆盘状剪刀，按其两剪刀轴线相互位置不同及与板料的夹角不同分为（）。
A.前滚剪
B.后滚剪
C.直滚剪
D.圆盘剪
E.斜滚剪
