对电力系统运行有哪些基本要求？

发布时间：2017-10-05 16:11 │ 来源：www.tikuol.com

题型：问答题简答题

问题：

对电力系统运行有哪些基本要求？

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题型：问答题简答题

完形填空。

      People in many countries are learning English. Some learn at school, others study by    1   . A
few learn English    2    the radio. Why do all these people want to learn English? It's difficult    3
that question. Many boys and girls learn English at school    4   it is one of their subjects. Some people
learn English because it's useful for their work. Many students often learn English for their    5    studies
because    6   the college, some of their books are    7   in English. It is not easy to learn a foreign language.
But there is    8    difficult in the world if you    9   your heart into   10 .

( )1. A. himself
(   )2. A. by
(   )3. A. answer
(   )4. A. why
(   )5. A. lower
(   )6. A. near
(    )7. A. write
(    )8. A. something
(   )9. A. keep
(   )10. A. it

B. oneself
B. with
B. to be answered
B. where
B. longer
B. at
B. wrote
B. anything
B. put
B. them

C. themselves
C. on
C. answered
C. because
C. short
C. on
C. written
C. nothing
C. take
C. us

D. ourselves
D. in
D. to answer
D. how
D. higher
D. with
D. is written
D. some
D. bring
D. desk

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题型：问答题简答题

读“中国太阳辐射总量的分布图”，回答下列问题。（３４分）

(1)在我国的城市中，有之称的是________市。为什么称“日光城”（６分）

(2)从图中可以看出，我国的四个直辖市中，年太阳辐射总量最低的是_______。为什么（６分）

(3)图中青藏高原地区年太阳辐射总量________(高或低)，原因有哪些？（６分）

(4)我国台湾岛西侧的年太阳辐射量比东侧的多，原因是什么？（４分）

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题型：问答题简答题

下列药物中，其反式异构体有效，而顺式异构体无效的是

A．双炔失碳酯

B．黄体酮

C．米非司酮

D．己烯雌酚

E．左炔诺孕酮

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题型：问答题简答题

有副作用的药物是不能服用的。

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题型：问答题简答题

确定脑的结构性损害目前最敏感的检查方法是（）

A.脑电图或视频脑电图

B.确定是否为癫痫发作

C.腰椎穿刺查脑脊液

D.神经系统检查

E.头部磁共振（MRI）

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