第7题: [单项选择]噬菌体可用于细菌的鉴定和分型是由于噬菌体() A. 严格的细胞内寄生 B. 有严格宿主特异性 C. 能使宿主菌成为溶原状态 D. 能裂解宿主菌 E. 能使细菌致病 参考答案:B
第8题: [单项选择]In my belief, some of the comments in the movie about the job market are actually () of real life difficulties in finding a good job after graduation from universities. A. reflections B. demonstrations C. illuminations D. reproductions 参考答案:A 答案解析: