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【单选题】
约有3%的伤寒或副伤寒患者在症状消失1年后仍可在其粪便中检出相应沙门菌，这种情况通常称为A.
内源性感染
B.
外源性感染
C.
急性感染
D.
慢性感染
E.
带菌者
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皮皮学刷刷变学霸
举一反三
【简答题】A．The rising price of gas. B．People's concern for air pollution. C．The growth of bicycle production. D．The high quality of bicycles.
【多选题】What's the evidence of people’s concern for others?
A.
Mayblum shared his ripped T-shirt with his colleagues .
B.
Mayblum went back to look for his trading partner.
C.
Ramos helped panicked workers into a stairwell.
D.
Ramos refused to helped any one.
【简答题】目标管理的英文________。
【单选题】After the ___of 17 British passengers, Mr. Blair continued to express his concern over the safety of the other passengers still on board the hijacked airliner.
A.
relay
B.
release
C.
convey
D.
transfer
【简答题】CAS链路的概念。
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