()是隐形眼镜护理液过敏反应的可能原因。A、对防腐剂过敏 B、对CI-过敏 C、对Na+

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问题:

()是隐形眼镜护理液过敏反应的可能原因。

A、对防腐剂过敏

B、对CI-过敏

C、对Na+过敏

D、对Ca2+过敏

考点:眼镜验光员高级眼镜验光员高级眼镜验光员题库
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What is a library for? Most libraries have books and other things to read. Many of them  have things to listen to. Some libraries even have computers. Very few people would think of a library as a place to live in.

One library in New York City turned into(变成)a home for 250 people for a few days. These were all people near the library. They slept on the floor. Why did the people move into the library?

The people moved into the library because the city wanted to close it to save money. These 250 New Yorkers loved their library. They didn’t want to lose it. So they moved in. They knew that the library couldn’t be closed if they were living inside it. At last the city agreed to keep the library open, and the people all went home.

(   )11. Where did the story happen?_________.

A. In New York City.                 B. In a school in New York City.

C. In the streets in New York City.      D. In most libraries in New York City.

(   )12. The library had hundreds of ___________.

A. workers in it                      B. policemen in it

C. people living in it                  D. computers in it

(   )13. The people in the story _______________.

A. were all the workers in the library     B. were all people near the library

C. didn’t read any books               D. wanted to buy some computers

(   )14. Why did 250 people move into the library? Because_____________.

A. these people wanted to save money

B. these people needed places to live in

C. the library was very quiet

D. they loved the library and they didn’t want to lose it

(   )15. From the passage we know that ___________.

A. the library was kept open at last

B. the library was closed because no one read in it

C. the library became a home of these people

D. the city saved a lot of money

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在理论上可用来设计原电池的反应是

A.Fe +2HCl =" Fe" Cl2+ H2

B.NaOH +HCl="NaCl+" H2O

C.Cu SO4 +2NaOH= Cu(OH)2+Na2 SO4

D.Ca CO3+2HCl=" Ca" Cl2+ H2O+ CO2

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左心衰竭特征性脉搏是()。

A.水冲脉

B.脱落脉

C.二联脉

D.交替脉

E.奇脉

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具有"主升清"功能的脏是( )

A.肝
B.肺
C.肾
D.心
E.脾

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加工中心是备有()并能自动换刀的数控机床。

A.刀库

B.检测装置

C.冷却装置

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