皮皮学，免费搜题
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【单选题】
治疗斑疹伤寒最好选用( )A.
氯霉素
B.
四环素
C.
红霉素
D.
氨苄青霉素
E.
复方新
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【判断题】包装是指为在流通过程中保护商品,改变储运、促进销售,按一定技术方面而采用的容器、材料及辅助的总体名称。也指为了达到上述目的而采用的容器、材料及辅助物的过程中施加一定技术方法等的操作活动。
A.
正确
B.
错误
【单选题】Though she isn't British by birth, she's British citizen by virtue of her marriage to an Englishman.
A.
on account of
B.
depending on
C.
by means of
D.
judging from
【单选题】She developed paralysis(瘫痪), after giving birth to a large calf. That changed her status from milk producer to 'downer', the dairy industry's word for a cow unable to stand up. The United States Depar...
A.
Cows that have give birth to calves.
B.
Cows that have produced milk.
C.
Cows that are less than 30 months old.
D.
Cows that cannot stand up.
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