胸腔积液标本呈黑色,常见的疾病是()。
A.曲霉菌感染
B.肿瘤破溃
C.厌氧菌感染
D.隐球菌感染
E.利杜原虫感染
参考答案:A
解析:曲霉菌感染时的积液标本可呈黑色。
Although the Eiffel Tower ________ to last for 20 years, it is still standing today.
A.has designed
B.had designed
C.is designed
D.was designed
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