皮皮学，免费搜题
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搜题
【单选题】
串口控制有 1配置(打开)串口 2读/写串口 3关闭串口。一般的串口控制顺序是( )。A.
①②③
B.
①③②
C.
②①③
D.
③①②
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】肺小叶的组成是( )
A.
一个细支气管及其分支和所属肺泡
B.
一个终末细支气管及其分支和所属肺泡
C.
一个呼吸细支气管及其分支和所属肺泡
D.
一个肺泡管及其分支和所属肺泡
【多选题】Exercise A Watch the video. Check the benefits of Photo Camp.
A.
The students can learn how to take photos.
B.
Photo Camp helps to raise money for refugees.
C.
Some students will be able to use their new skill in their future life.
D.
The photos that students take are published in a magazine.
【简答题】Watch the video. Fill in the blank and tranlate it into Chinese.
【简答题】A．She is quite young. B．She is middle-aged. C．She is 40 years old. D．She is of the retirement age.
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