赞誉李白“斗酒诗百篇”的诗人是（）
A.陆游
B.杜甫
C.白居易
D.苏东坡
参考答案：B
Li Hua offered to devote all she could ___ her written English with our mid-exam______ .
A．improve, to come
B．improve, comes
C．to improving, come
D．to improving, coming
在泵轴的保养过程中，测量泵轴的磨损及锈蚀情况，不超过原直径的（）%为合格。
A、1
B、2
C、2.5
D、3
