皮皮学，免费搜题
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【判断题】
51单片机的串口,一共有4种工作模式。A.
正确
B.
错误
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】The price is $14.90, _________ postage.
A.
includes
B.
including
C.
to include
D.
included
【单选题】He included some funny stores. He _______.
A.
put them in
B.
consisted of them
C.
contained them
【单选题】He included some funny stories. He __________.
A.
put them in
B.
consisted of them
C.
contained them
D.
comprised them
【单选题】He just gave me the _______ of the report．I’m looking forward to some more details．
A.
schedule
B.
outline
C.
insurance
D.
forecast
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