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【单选题】
下面关于眼镜的说法正确的是A.
近视镜和远视镜都是凸透镜
B.
近视镜是凹透镜、远视镜是凸透镜
C.
每个镜片只能有一个焦点位置
D.
变色镜是利用光的折射原理而变色的
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举一反三
【单选题】The standards of emergency nursing practice play an extremely important role in
A.
authoritative statement
B.
evaluation of the nursing practice
C.
professional beha viors
D.
the ability to define nursing practice
【单选题】______ is no doubt that the media play a major role in influencing people’s opinions.
A.
This
B.
That
C.
What
D.
There
【单选题】What a role do lymphocytes play in the human body?
A.
To reduce the rate of dying while still a fetus.
B.
To raise the body’s immunity against infection.
C.
To help prevent the development of heart disease.
D.
To help prevent the development of diabetes.
【单选题】The standards of emergency nursing practice play an extremely important role in
A.
.
B.
..
C.
...
D.
....
【单选题】[U12R2] The standards of emergency nursing practice play an extremely important role in ( ).
A.
authoritative statement
B.
evaluation of the nursing practice
C.
professional behaviors
D.
the ability to define nursing practice
【单选题】The standards of emergency nursing practice play an extremely important role in .
A.
authoritative statement
B.
evaluation of the nursing practice
C.
professional behaviors
D.
the ability to define nursing practice
E.
None of the above
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