配制抗坏血酸注射液：在配制容器中，加配制量80%的注射用水，通_爱下问搜题

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问题多项选择题

配制抗坏血酸注射液：在配制容器中，加配制量80%的注射用水，通二氧化碳饱和，加维生素C溶解后，分次缓缓加入碳酸氢钠，搅拌使完全溶解，加入预先配制好的依地酸二钠溶液和亚硫酸氢钠溶液，调节药液PH6.0~6.2，添加以CO₂饱和的注射用水至足量，滤过，灭菌。

了解处方中各种药物的作用及配制的注意事项。关于下列处方的叙述中，哪些是正确的（）

A.加入NaHC0₃是调节PH值使VitC部份成盐，减少局部刺激，增强稳定性

B.加入NaHC0₃是调节渗透压

C.依地酸二钠为金属络合剂

D.本注射液一般可用115.5℃，30分钟进行灭菌

E.配制中通CO₂是防止维生素C氧化，增加稳定性

答案

参考答案：A, C, E

完形填空

完形填空。

      Today Chinese people can enjoy longer holidays, such as the two "Gold Week
Holidays"-the Spring Festival and National Day. They have more time   1   . Rising
incomes also make     2   possible for ordinary Chinese people to travel abroad.
      Zhang Haitao, a middle school student in Shanghai will go to Japan with his
parents      3     the Spring Festival. "0verseas touring has always been a dream
of   4   ," Zhang Haitao said.
      "      5     will you go to Japan, by air or by ship?" I asked him.
      "By ship. Traveling by ship is more      6     than a short trip by air. "
      "But a plane is much    7   than a ship. "
      "Yes, but you can't see much during the    8     ,while a sea trip will make you
happier, because you can see waves, islands and even big fish. "
      "Will you travel at your own expense?"
      "Certainly.     9    my father's job is to recycle rubbish, I’m very proud of him. He has saved     10     money in the last three years. What's more, he has made a
contribution by protecting our environment. "

( )1. A. travel
( )2. A. them
( )3. A. during
( )4. A. my
( )5. A. How
( )6. A. dangerous
( )7. A. fast
( )8. A. night
( )9. A. Because
( )10.A. a little

B. travels
B. it
B. from
B. I
B. What
B. enjoyable
B. faster
B. day
B. Although
B. many

C. to travel
C: this
C. at
C. me
C. When
C. difficult
C. fastest
C. holidays
C. But
C. lots of

D. traveled
D. that
D. to
D. mine
D. Where
D. frustrating
D. slower
D. flight
D. So
D. a few

单项选择题

甲和乙有私仇，一次与乙路遇时扬言：“走着瞧，看我哪一天废了你”。甲的行为属于（）

A．犯罪预备

B．犯罪着手

C．犯意表示

D．犯罪未遂