患者，女性，30岁。妊娠31周，少量阴道流血，以往曾有3次早产史。主要处理应是
A. 抑制宫缩，促进胎儿肺成熟
B. 左侧卧位
C. 注意休息，并给予镇静剂
D. 任其自然
E. 氧气吸入，给予止血剂
可以诊断肝细胞癌的是
AFP＜25ΜG／L
B. AFP＞100ΜG／L
C. AFP＞200ΜG／L，持续6周
D. AFP＞200ΜG／L，持续8周
E. AFP＞500ΜG／L，持续2周
金黄色葡萄球菌肺炎宜选用
A. 青霉素
B. 庆大霉素
C. 红霉素
D. 林可霉素
E. 耐青霉素酶的头孢菌素
In the third paragraph, the author is primarily concerned with______.
A. contrasting two theses and offering a compromise
B. questioning two explanations and proposing a possible alternative to them
C. paraphrasing the work of two historians and questioning their assumptions
D. examining two theories and endorsing one over the other
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