预防矫治是从何时开始的()
A.自胚胎第3周
B.自胚胎第4周
C.自胚胎第5周
D.自胚胎第6周
E.自胚胎第7周
参考答案:D
We keep the belief that the bright future ______ to those who are well educated.
A.is belonging
B.is belonged
C.will be longed
D.belongs
原发综合征应包括()
A.原发病灶
B.局部淋巴结病变
C.引流淋巴管炎
D.肺不张
E.两肺广泛分布的网点状阴影