【单选题】【消耗次数：1】
Did you get used to [填空]emails?
①
writing
②
wrote
③
write
④
written
参考答案：
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相关题目
【单选题】
18.- Did you get a dictionary?- No, I _____, but there were not any _____.
①
tried; to be left
②
had tried to; leaving
③
tried to; left
④
had tried; have left
【单选题】
Did you get a dictionary?No. I________,but there were not any________.
①
tried;to be left;
②
had tried to;leaving
③
tried to;left
④
had tried;have left
【单选题】
By the time you get there, the guests will [填空].
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have left
②
leave
③
left
④
be leaving
【单选题】
A: Did you use to play the violin? B: [填空].
①
Yes, I do
②
No, I didnt
③
Yes, I play it every day.
④
No, I do
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<p>根据《中华人民共和国疫苗管理法》相关规定，下列哪些说法是正确的</p>
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②
国家实行免疫规划制度
③
国家实行疫苗全程电子追溯制度
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<p>实现群体免疫的前提条件有哪些？</p>
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自然感染或疫苗接种均可获得持久保护
②
疫苗接种或疫苗接种的保护作用可有效预防感染
③
乙脑疫苗纳入免疫规划实现了群体免疫
④
病原体仅在人间传播