下列哪些因素可改变自身组织和细胞的免疫原性（） A.感染、电离辐射、药物 B.外

读短文，判断句子正(T)误(F)。

      Li Ying likes English very much. She works hard. She reads English every morning. She likes speaking

English. She often listens to the radio. She watches TV only on Saturday evening. Does she like dancing?

No, she doesn't. But she likes drawing and singing. Her parents like her. And all the teachers and her friends

like her, too.

( ) 1. Li Ying doesn't like English very much.

( ) 2. She often listens to the radio.

( ) 3. Li Ying usually writes English in the morning.

( ) 4. She likes drawing and singing.

( ) 5. And all the teachers and her friends like her, too.

在35kV变电所的变压器门型架构上装设避雷针时，变电所接地电阻不应超过( )。

A．1Ω
B．4Ω
C．10Ω
D．30Ω

---Where will you start your work after graduation?

---Mmm, it's not been decided yet. I ____ continue my study for a higher degree.

A．need

B．must

C．would

D．might

法律规范有法定的创制方式和表现形式，不同等级的规范性文件之间有严格的效力从属关系。 ( )

《巴黎公社公告》第44号向人们宣布：“你们是自己命运的主人。最近成立的代表机构在你们的支持下，将着手补救前 * * 造成的灾难：遭到破坏的工业，停顿下来的劳动，瘫痪的商业贸易，即将获得有力的推动。”这在本质上表明（）

A.巴黎公社是劳动人民的 * *

B.巴黎公社旨在恢复发展生产

C.巴黎公社获得农民阶级支持

D.巴黎公社是工商业代表机构