胶体金标记技术的显著优点是（）
A.较放射免疫方法敏感
B.标记物非常稳定
C.较酶联免疫方法敏感
D.较免疫荧光法敏感
E.以上都不是
参考答案：B
—Gina, why aren't you watching TV now?
—The TV show is ______, so I am ______ a book. [ ]
A. bored; watching
B. boring; reading
C. bore; looking
D. boring; look
CPU
