单向琼脂扩散法是将相应的（） A.抗体均匀地混入琼脂糖凝胶内制板 B.抗原均匀地混入

(湘郡生试题)   I was really surprised to find out that the first public showings of wireless TV transmissions took   41   way back in 1925. It took another three years before there was any regular public broadcasting.   42  , I think people must have found   43   quite a delight when color TV was first broadcast in 1929.   44   , within the next 65 years, people would be able to choose   45  to watch from a   46  of 200 different channels because   47 cable TV. It is reported   48  in 1998, 66 percent of households in the USA had cable TV.

中华人民共和国境内地下遗存的一切文物，属于国家所有。

生白附子的内服用量是

A．3～6g
B．3～9g
C．1～2g
D．0.5～1.5g
E．0.3～0.6g

黄牛，3岁，饲料以麦秸为主。采食减少，口腔有大量唾液流出，口角外附有泡沫样黏液，粪便、尿液和体温正常。最可能的诊断是（）。

A.咽炎

B.口炎

C.胃炎

D.肠炎

E.食道梗阻

女性，35岁。初产后2周出现头痛、头昏、失眠、烦躁等症状而就诊。主诉不愿意照顾婴儿，易激惹，夜间无缘由伤心流泪、白天好转。查体：血压120/80mmHg，脉搏90次／分钟。EPDS14分。

下列不能减少该病发生的措施是（）

A.加强婚前保健

B.开展孕产期心理保健

C.大力提倡母乳喂养

D.加强营养

E.改善产妇社会生活环境