【判断题】【消耗次数：1】
8051单片机的I/O口中，P1口具有第二功能。
①
正确
②
错误
参考答案：
复制
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相关题目
【单选题】
8051单片机的并行I/O接口P3有第二功能，其中P3.7的第二功能是\*MERGEFORMAT,其作用是的读选通信号输出。
①
程序存储器
②
SFR
③
内部数据存储器
④
外部数据存储器
随机题目
【判断题】
阅读课文II.How to Improve Memory,判读正误4. You can watch TV and memorize new words at the same time.
①
正确
②
错误
【判断题】
阅读课文II.How to Improve Memory,判读正误1. Information kept in short-term memory may last a few years.
①
正确
②
错误
【判断题】
阅读课文II.How to Improve Memory,判读正误2.Information in long-term memory is often kept a longer period of time than that in short-term memory.
①
正确
②
错误
【判断题】
阅读课文II.How to Improve Memory,判读正误3. Your parents address is usually in your long-term memory.
①
正确
②
错误
【判断题】
阅读课文II.How to Improve Memory,判读正误5.It is easy to memorize something you dont understand.
①
正确
②
错误
【单选题】
6. A new house ___ at the corner of the road.
①
is building
②
is being built
③
been built
④
be building
【单选题】
8.Doctors ___ in every part of the world.
①
need
②
are needing
③
are needed
④
will need
【单选题】
3. This English song___ by the girls after class.
①
often sings
②
often sang
③
is often sang
④
is often sung
【单选题】
9.His new book___ next month.
①
will be published
②
is publishing
③
is being published
④
has been published