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【多选题】

Regarding the pulmonary CT manifestations of novel coronavirus, which of the following are correct? ( )

A.
In the early stage, there were multiple small patches and interstitial changes, especially in the outer lung area
B.
And then developed into multiple ground glass shadows and infiltration shadows of the lungs
C.
Severe cases may have lung consolidation
D.
Pleural effusion is more common
E.
Pulmonary imaging showed that patients with obvious progression of lesions > 50% within 24 - 48 hours were severe
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参考解析:
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【单选题】数码显微镜的图像数字采集系统的像素越高,获得的影像:

A.
越真实、精细;
B.
真实,但不精细;
C.
越不真实、也不精细。

【单选题】回火托氏体和回火索氏体的组织差别主要在于:

A.
马氏体分解得到的基体组成相不同,但形态相同;
B.
马氏体分解得到的渗碳体形态不同,但基体形态相同;
C.
马氏体分解得到的组成相相同,但基体形态不同,渗碳体均为颗粒状。