A.成熟 B.增強(qiáng) C.暫時(shí)增強(qiáng) D.減低 E.暫時(shí)減低
A.1~2個(gè)月以后 B.3~4個(gè)月以后 C.5~6個(gè)月以后 D.7~8個(gè)月以后 E.9~10個(gè)月以后