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【单选题】
关于呕吐物的气味,下列哪项是正确的A.
单纯饮食性胃内容物无任何气味
B.
呕吐物酸臭味可考虑肠梗阻存在
C.
呕吐物若出现粪臭味,提示食物在胃内滞留时间过长而发酵
D.
呕吐物为未消化食物并有浓烈的酒味,见于大量饮酒后或醉酒者
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皮皮学刷刷变学霸
举一反三
【单选题】The Roman roads at first were built for ______.
A.
connecting the cities within the country
B.
moving soldiers and weapons around
C.
transporting goods within the country
D.
amusing travelers and traders
【单选题】There were no roads accessible to the earthquaks—stricken town and food_________had to be dropped by parachute.
A.
chains
B.
resources
C.
supplies
D.
feasts
【单选题】Because all the roads leading to the mountain village ______, the rescue workers were not able to reach it to help. [ ]
A.
were blocked
B.
are blocked
C.
have been blocked
D.
had been blocked
【单选题】The Greeks were not interested in building roads because ______.
A.
they didn't want the city-states to be dependent on one another
B.
they thought the roads between the cities were not good enough
C.
they liked the natural landscape full of mountains
D.
they could easily reach other lands by sea
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