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【单选题】
小张护士在为患铜绿假单胞菌感染病人的伤口换药时操作错误的是A.
应穿隔离衣,戴手套,做好防护
B.
换药用品应专用
C.
污染敷料因及时倒掉
D.
用过器械单独特殊处理
E.
换药后,严格洗手,防止交叉感染
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反馈参考答案：
举一反三
【单选题】A new technique_________, the yields as a whole increased by 20 percent.
A.
working out
B.
having worked out
C.
having been worked out
D.
to have been worked out
【单选题】People appreciate _____ with him because he has a good sense of humor. A. working B. to work C. to have worked D. having worked
A.
working
B.
to work
C.
to have worked
D.
having worked
【单选题】1 spent half an hour _________ this difficult math problem.
A.
having worked on
B.
to work on
C.
on work
D.
working on
【单选题】all day, I went to bed early.
A.
Working hard
B.
Worked hard
C.
Having worked hard
D.
To work hard
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