原发性肝癌伴癌综合征的表现有（） A.伴高糖血症 B.伴红细胞增多症 C.伴低钙血症

---What did the Englishman say?

---Oh, he asked where ____ .

A．did you come form

B．do you come from

C．you came from

D．you did come from

按要求完成句子。（5分）

小题1:Susan rides a bike to school every day.(改为一般疑问句)

         Susan          a bike to school every day?

小题2:They go to the park by car. (同义句转换)

                     a car  to the park.

小题3:His sister is reading in the gym.

       is his sister          in the gym?

小题4:It is about 15 kilometers away from the bank to the restaurant.

                is it from the bank to the restaurant?

小题5:Tom likes English because it is interesting.

                      Tom like English?

生态系统是由生物群落与其生存环境间不断地进行着物质循环和能量流转过程所形成的统一整体.

人群中最常见的痴呆原因是（）

A.癫痫

B.脑血管疾病

C.Alzheimer病

D.Parkinson病

E.颅脑外伤

2014年以来，公司系统大力推进“以电代（）、以电代（），电从远方来，来的是清洁电”战略。

A、气

B、煤

C、木柴

D、油