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【单选题】
对映异构体之间具有相反活性的是A.
普罗帕酮
B.
盐酸美沙酮
C.
依托唑啉
D.
丙氧芬
E.
氯霉素
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【单选题】If you are sailing from the East Coast of the United States to the Caribbean Sea，which publication would contain information on weather，currents，and storms?（）
A.
Sailing Charts of the Caribbean Sea
B.
Pilot Charts of the North Atlantic
C.
Light Lists，Atlantic and Gulf Coast
D.
Tidal Current Tables
【单选题】Your ARPA has automatic speed inputs from the log. Due to currents, the log is indicating a faster speed than the speed over the ground. What should you expect under these circumstances?
A.
The generated CPA will be less than the actual CP
B.
The generated TCPA will be later than the actual TCP
C.
The range of initial target acquisition will be less than normal.
D.
The targets true course vector will be in error.
【单选题】( )heat transfer is used to move heat from one location to another by means of currents set up in a fluid medium.
A.
Radiation
B.
Conduction
C.
Covection
D.
Thermodynamics
【简答题】A 1)_______ Central California boy braved strong currents and cold water to 2)______ from San Francisco to Alcatraz Island and back. A California television station Enfresno, reported Tuesday that Jim...
【单选题】( )是指由于一些客观条件的限制和认识上的偏差,认为自己在某个方面或某几个方面都不如别人,从而产生轻视自己、失去信心、畏缩的一种情绪体验。
A.
习得性无助
B.
自卑
C.
妒忌
D.
害羞
【简答题】The car body of each motor car is separated by an earthing resistor from the rail voltage in order to reduce currents via the car body.
【单选题】Your ARPA has automatic speed inputs from the log．Due to currents，the log is indicating a faster speed than the speed over the ground．What should you expect under these circumstances ________．
A.
The generated CPA will be less than the actual CPA
B.
The generated TCPA will be later than the actual TCPA
C.
The range of initial target acquisition will be less than normal
D.
The targets true course vector will be in error
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