王老师现在教他汉语。
参考答案:错
解析:[听力原文]昨天在超市买东西时见到王老师了,她以前教我汉语,两年没见,她更漂亮了。
27. I shall never forget those years _____ I lived on the farm with the farmers,
______ has a great effect on my life.
A.when;who
B.that;which
C.on which;that
D.when;which
在识别点突变方面优于PCR,任何一种点突变所致的疾病均可应用的是()
A.OLA
B.SNP
C.LCR
D.SSCP
E.RFLP