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举一反三
【多选题】下列关于串口说法正确的有
A.
要想使串口与计算机通信，需要先使用Serial.begin（）函数初始化Arduino的串口通信功能
B.
Serial.print （）或Serial.println（）函数用于串口输出
C.
串口通信的双方可以使用不同的波特率进行正常通信
D.
通常在使用串口读取数据时，需要搭配使用Serial.abailable（）函数，用于防止没有可读数据出现乱码
【多选题】Which of the following statements are the drawbacks of the bottom-up model?
A.
The bottom-up process is to break the whole (natural) language into bite-sized, abstract little pieces, and this would make learning to read difficult.
B.
The readers will simply become “word callers” who can read the words on the page but do not understand what they have read.
C.
If using bottom-up model, readers can read classical Chinese essays and pronounce all of the words that they are reading, but they may have no comprehension of what they have read.
D.
The readers will get the details of the reading materials.
【多选题】下列关于串并口的说法正确的是( )。
A.
COM接口形状为25针的D形接口
B.
目前针式打印机基本使用LPT接口
C.
不得在计算机启动通电的情况下插拔并行接口连接线
D.
COM口有串行接口电路和串行接口信号线组成
【多选题】下列关于雨水口说法正确的:
A.
道路上雨水口宜每隔25～40M设置一个。
B.
当道路纵坡大于0.02时，雨水口的间距可大于50m
C.
雨水口与干管常用200MM的连接，连接管的长度不宜超过25米，连接管上串联的雨水口不宜超过三个。
D.
雨水管道可采用塑料管、加筋塑料管、混凝土管、钢筋混凝土管等。
【单选题】In Bottom-up model, reading comprehension is based on _____ ?
A.
read the text word-by-word
B.
the understanding and mastery of all the new words, new phrases, and new structures as well as a lot of reading aloud practice
C.
focusing on details rather than understand the text as a whole
D.
focus on every sentence rather than the whole text structure
【多选题】下列关于InverARP的说法正确的是（）
A.
InverARP需要在Quidway路由器上进行配置
B.
通过InverARP，帧中继交换机自动向路由器发送DLCI号码
C.
路由器通过向帧中继交换机发送逆向ARP请求得到自己的DLCI号码
D.
如果您在串口上启用帧中继封装，Quidway路由器将自动运行InverARP协议