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【单选题】
患者癌痛需用吗啡类止痛药，其疼痛严重时VAS评分最可能是（）。A.
0分
B.
3分
C.
5分
D.
7分
E.
2分
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举一反三
【单选题】If all other conditions such as bore, stroke, speed, and mean effective pressures are equal, a two stroke/cycle diesel engine will develop approximately ______.
A.
one half the indicated horsepower as a four-stroke/cycle engine
B.
twice the indicated horsepower as a four-stroke/cycle engine
C.
the same indicated horsepower as a four-stroke/cycle engine
D.
one power stroke for every two crankshaft revolutions.
【单选题】Chinese language is usually spoken by Han nationality and many overseas Chinese. It's the common language of more than 10 million overseas Chinese people. In the world, Chinese is the most important l...
A.
10 million.
B.
More than 10 million.
C.
Less than 10 million.
【简答题】Chinese Americans used to live in______, where there were many Chinese restaurants and laundries.
【多选题】关于肺的描述正确的有( )
A.
两肺下面借膈肌与腹腔脏器相隔
B.
肺尖高出锁骨内侧上方2-3厘米
C.
位于胸腔内，纵膈两侧
D.
右肺分上、下两叶
E.
左肺分上、中、下叶
【单选题】Proper lubrication of the main bearing is more easily obtained in a single acting four-stroke/cycle diesel engine than in a single acting two-stroke/cycle diesel engine because （）
A.
bearing pressure in a four-stroke/cycle acting single diesel engine is continually reversed
B.
bearing pressure in a two-stroke/cycle single acting diesel engine is continually reversed
C.
the maximum bearing pressure is higher in a single acting two-stroke/cycle diesel engine
D.
two-stoke/cycle diesel engines require more complicated lubrication piping
【简答题】Many Chinese students return to China when they meet many problems and difficulties abroad.
【简答题】Many overseas Chinese make their kids learn the Chinese language because they don’t want them to lose their mother language. In the city of Portland in the USA, there is a weekend Chinese school in a ...
【简答题】Excuse me, I'd like to this dress. I bought it yesterday.
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