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【多选题】
病原携带者按其携带状态和临床分期不同分为A.
带菌者
B.
健康病原携带者
C.
潜伏期病原携带者
D.
恢复期病原携带者
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
【简答题】简述铸件产生砂眼的原因?
【单选题】The results from the Internet service ______.
A.
are done in a week
B.
aren't very clear
C.
are done in 24 hours
D.
take a long time
【简答题】根据对话内容,从对话后的选项中选出能填入空白处的最佳选项。 — What seems to be the problem? — 1 — How long have you been like this? — Since Saturday night. — _2 — Yes, I also feel lighthearted. — Can you think of anything you ate ...
【简答题】阅读下面内容，填入合适的单词使句子结构完整，语义通顺，每空一词。 Notice What do you usually eat when you are alone at home? A 1 meal or delicious dishes? Can you cook by 2 ? Now you have a 3 to be a cook. Welcome to the Hope Cooking...
【单选题】The study was carried out in one small town so we can’t be sure that the results are truly ________.
A.
exact
B.
proper
C.
representative
D.
natural
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