【单选题】 In his researches on ______ diseases, he discovered many facts about the lungs of animals and human beings.
A.inherited
B.chronic
C.infectious
D.pulmonary
网考网参考答案:D
网考网解析:
(pulmonary肺的)。句意为:在研究肺病的过程中,他发现许多有关人和动物肺部的事实。A.inherited遗传的;D.chronic慢性的;C.infectious传染性的。
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