肝脏的实性病变包括（）。 A.肝脏良恶性肿瘤、血肿机化、纤维瘢痕及寄生虫病（泡状棘球

下列人物中不属于汉武帝时期的是[ ]

A．董仲舒

B．张骞

C．霍去病

D．班超

句型转换。

1. He went to the mountains yesterday. (对画线部分提问)

________ ______ he ______ yesterday?

2. Sarah did her homework last night. (改为否定句)

Sarah ______ _______ her homework last night.

3. My weekend was terrible. (对画线部分提问)

______ _______ your weekend?

4. My father goes for a walk every evening. (用yesterday evening改写)

My father _______ for a walk ______ evening.

5. The morning was boring for Jim. (改为一般疑问句)

_____ the morning ________ for Jim?

扩张型心肌病的主要表现是（）

A.心尖部收缩期杂音

B.心脏扩大，搏动弥漫性减弱

C.第三心音或第四心音

D.心音减弱

E.下肢水肿

在客运运价里程表中站名前的符号※◎○△各表示什么？

热敏电阻有什么优点？它存在哪些局限性？