以下哪种唾液腺疾病在青春期后有自愈趋势()
A.急性化脓性腮腺炎
B.慢性复发性腮腺炎
C.流行性腮腺炎
D.舍格伦综合征
E.腮腺良性肥大
参考答案:B
Some researchers believe that many patterns of nature are rules of their own and not affected by natural selection.
A.making
B.breaking
C.following
D.bending
Peter is _____________ him.[ ]
A. follows
B. following
C. follow