基因诊断的常用方法不包括
A. 核酸分子杂交
B.PCR
C. ASO法
D. 基因测序
E. Western印记
内源性基因结构突变发生在生殖细胞,可引起哪种疾病
A. 肿瘤
B. 传染病
C. 遗传性疾病
D. 心血管疾病
E. 神经系统疾病
There are two kinds of goals: short-term goals and _________.
A. long-term goals
B. original goals
C. successful goals
D. big goals
He is a summer_____ in an import&export company.
A. intern
B. internship
C. worker
D. job