It can be inferred from paragraph 3 that ______.
A.shippers will be charged less without a rival railroad
B.there will soon be only one railroad company nationwide
C.overcharged shippers are unlikely to appeal for rate relief
D.a government board ensures fair play in railway business
第2题
A.择期手术前应常规排空胃
B.手术前应禁食4小时
C.手术前应禁食12小时,禁饮4小时
D.胃没有排空,又需要立即手术者,选用全麻时,可考虑行清醒气管内插管
E.以上都对
第6题
A.鼠、兔类麻醉前6小时禁水
B.狗、猫、猴麻醉前12小时禁食
C.狗、猫、猴麻醉前6小时禁水
D.鼠、兔类麻醉前24小时禁食
E.手术时间长,创伤大实验需禁食后饲糖盐水
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