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【单选题】
用5%碳酸氢钠溶液处理高钾血症不是因为A.
增加血容量以稀释血钾浓度
B.
促使K＋大量移入细胞内
C.
碱化尿液使K＋从尿中排出增多
D.
有助于酸中毒的治疗
E.
可长期降低血钾浓度
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举一反三
【单选题】The word 'screen' has many different meanings such as in a fire screen, a television screen. This is called______.
A.
hyponymy
B.
homonymy
C.
polysemy
D.
synonymy
【单选题】Why are Chinese paintings seldom framed?
A.
Because Chinese people do not find frames aesthetically beautiful.
B.
Because in China paintings usually are rolled into scrolls, and one can't roll a painting into a scroll if it is inside a hard frame.
C.
Because wood was expensive in China, and only rich people could afford buying expensive wooden frames.
D.
Because a painting frame. had some religious meaning and only the emperor had a right to use them.
【单选题】The policeman kept his eyes________on the screen of the computer to identify the criminal's footprints.
A.
fixing
B.
fixed
C.
to fix
D.
being fixed
【单选题】Why do Chinese students like to listen to teachers in class?
A.
Because Chinese students don't like thinking.
B.
Because teachers are regarded as "authority".
C.
Because teachers like to do most of the talking.
D.
Because teachers don't want students to talk in class.
【单选题】The policeman kept his eyes ______on the screen of the computer to identity the criminal's footprints.
A.
fixed
B.
fixing
C.
being fixed
D.
to fix
【单选题】Why do Chinese dumplings imply wealth?
A.
Because they have the shape of ancient Chinese gold or silver ingots.
B.
Because they are very delicious.
C.
Because they have the shape of ships.
D.
Because they have the shape of bamboo.
【单选题】______should be used during the poor visibility if the rader’s screen shows heavy sea returns.
A.
Gain Control
B.
Brilliant Control
C.
Anti-clutter Sea Control
D.
Sweep Intercept
【单选题】The cinema has ______ screen,and it's ______ in the city. [ ]
A.
a big; biggest
B.
a big; the biggest
C.
big; biggest
D.
big; bigger
【单选题】Why do Chinese dumplings imply wealth?
A.
Because they have the shape of the ancient Chinese gold or silver ingots.
B.
Because they are very delicious.
C.
Because they have the shape of ships.
D.
Because they have the shape of bamboo.
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