原发性肝癌主要应鉴别的疾病是（）。
A.肝硬化
B.慢性肝炎
C.肝内胆管结石
D.多囊肝
E.肝肉瘤
参考答案：A
—Would you mind my coming over and having a look at your new garden? My little son's curious about those roses you grow.
—________.You're welcome.
A．Yes，I do
B．Never mind
C．Yes，please
D．Not at all
在匀速行驶的车厢内，提一手提包，提包处于静止状态，突然发现手提包向后摆动，说明此时列车在______（“加”或“减”）速，这是因为手提包______．
