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【单选题】
确诊流行性感冒的方法主要是A.
发病季节
B.
补体结合实验
C.
血凝抑制试验
D.
病毒分离
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反馈参考答案：
举一反三
【单选题】Fortunately he will go on holiday in place of Brown ．
A.
．不填； the
B.
．不填；不填
C.
．不填； a
D.
． the ；不填
【简答题】A．ambitiously B．aggressively C．substantially D．fortunately
【简答题】Fortunately it won' t make ______ of difference if I don’t pass the test.. A. the awful lot B. an awful lot C. a lot awful D. an awful lots
【简答题】A．Especially B．Probably C．Suddenly D．Fortunately
【简答题】A.lastly B.finally C.especially D.fortunately
【单选题】Which stations may transmit on the frequencies in which distress trafftc is taking place?
A.
Any station not itself in distress.
B.
Any station in distress.
C.
All stations which are aware of the distress traffic.
D.
All stations for which silence was imposed by the rescue coordination center.
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