* * 炎( )
A.多形性红细胞B.大量白蛋C.多量扁平上皮细胞D.闪光细胞E.尾形上皮细胞
尿中出现何种细胞,有助于诊断下列疾病
参考答案:C
As a young man, he ________ many social activities and later _______ the Party.
A.took part in; joined
B.took part in ; joined in
C.joined in; took part in
D.joined; took part
陨石来源于()。
A、地球上本来就有
B、地球以外太阳系内
C、太阳系以外