检查乳腺正确的方法是()。
A.两侧对比
B.用手指掌面触诊
C.不要用手捏乳腺组织
D.先查患侧,后查健侧
E.检查顺序是外上、内下、外下、内上
参考答案:A, B, C
Terribly sorry, I came home at last. I ____of the supermarket ____so crowded.
A.should have thought; being
B.should think; being
C.could have thought; was
D.could think; was
麻疹疫苗
A.活疫苗B.死疫苗C.类毒素D.外毒素E.病原体的部分成分