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【单选题】
肺结核的传染源是A.
排菌肺结核病人的痰
B.
排菌肺结核病人的尿
C.
捧菌肺结核病人的粪
D.
排菌肺结核病人的血液
E.
排菌肺结核病人的胸液
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举一反三
【单选题】If a fire breaks out in a cinema, you should find the sign _______ and leave quickly. [ ]
A.
BUSINESS HOURS
B.
NO SMOKING
C.
PLAY
D.
EXIT
【简答题】Plane ownership may be taken as a sign of a business being poorly run.
【简答题】夹渣是指焊后残留在焊缝中的 。
【简答题】Plane ownership may be regarded as a sign of a business being poorly run.
【简答题】After business negotiation, the two parties sign a written a contract which shall function as basis for the performance of ______ and ______ by the two parties.
【简答题】The job increase is a (hope)___________ sign for small and medium business that employ 90% of the US workforce.
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