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【单选题】
护士小李在注射室工作,每天工作中用到的无菌持物钳及其浸泡容器需多久更换一次A.
每天
B.
每两天
C.
每三天
D.
每四天
E.
每周
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反馈参考答案：
举一反三
【单选题】（ 19 ）下面有关数据库表和自由表的叙述中，错误的是
A.
）数据库表和自由表都可以用表设计器来建立
B.
）数据库表和自由表都支持表间联系和参照完整性
C.
）自由表可以添加到数据库中成为数据库表
D.
）数据库表可以从数据库中移出成为自由表
【单选题】My color television has given me nothing but a headache. I was able to buy it a little over a year ago because I had my relatives give me money for my birthday instead of a lot of clothes that wouldn’...
A.
ended all their programs
B.
provided fewer channels
C.
changed to commercials
D.
showed all-night movies
【简答题】My color television has given me nothing but a headache.I was able to buy it a little over a year ago because I had my relatives give me money for my birthday instead of a lot of clothes that wouldn’t...
【简答题】A My color television has given me nothing but a headache. I was able to buy it a little over a year ago because I had my relatives give me money for my birthday instead of a lot of clothes that would...
【简答题】题目写听材料，回答问题吧。 1.I had a (an) _________ day off. A. interesting B. relaxing C. boring 2. I had to study for _________ at home. A. the math competition B. the math test C. the English test 3. The gift...
【单选题】安钠咖注射液处方如下 苯甲酸钠 1300g 咖啡因 1301g EDTA-2Na 2g 注射用水加至 10000ml其中，咖啡因与苯甲酸钠形成苯甲酸钠咖啡因，溶解度由1：50增大到1：1.2，其中苯甲酸钠的作用是（ ）。
A.
止痛剂
B.
抑菌剂
C.
助溶剂
D.
增溶剂
【单选题】I had a day off, for I wasn't feeling well.
A.
我又错过了一天，感到非常不好。
B.
我取消了今天的约会，因为我感到很不舒服。
C.
我请了一天假，因为我觉得不舒服。
D.
离开家已经一天了，我感到很不好。
【单选题】听力原文：M: What kind of father am I? My daughter had had a fever for a couple of day, but I didn't even know about it. W: Don't blame yourself too much. You've been too much involved in the company's wor...
A.
He is a careless father.
B.
He is very busy with work.
C.
He is an irresponsible father.
D.
He is indifferent to his family.
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