A.①②③④⑤③B.②③④⑤③①C.①②③⑤⑦⑧D.①②③④⑦⑧
A.30% B.35% C.70% D.無法計(jì)算
A.(A+G)/(T+C. B.(A+C./(T+G) C.(A+T)/(G+C. D.A/T