【单选题】【消耗次数：1】
采用下列哪个方法可实现串口的打开操作？
①
open(SerialPort)
②
open()
③
open(String,?Int32,?Parity,?Int32,?StopBits)
④
open(String)
参考答案：
复制
纠错
相关题目
【判断题】
When you ask sb. to open the window, if you are a lady its polite to say Open the window, will you? if you are a man you should say Lets open the window, shall we?
①
正确
②
错误
【单选题】
It is an open secret _____he is not a qualified manager.
①
that
②
which
③
what
④
when
【单选题】
After a lot of difficulties, he _______ to open the door.
①
managed
②
succeeded
③
accomplished
④
tried
【单选题】
he park has been built and it will be open _____ three years
①
A. in
②
B.for
③
C.on
④
D.after
【单选题】
1.Gates open at 10.30am and _______ is free.
①
admission
②
admit
③
admitting
④
admitted
【单选题】
A: [填空]? B: Yes, Id like to open a savings account.
①
What do you want to do, sir
②
Why have you come here
③
Do you have anything to do here
④
Can I help you, sir
【单选题】
We really appreciate our working environment, in -- --- there was open, friendly workplace communication.
①
how
②
what
③
whom
④
which
【单选题】
The open university was started in order to help those who ___ having a university education when they were young.
①
stopped
②
failed
③
missed
④
ceased
随机题目
【单选题】
根据我国《公司法》的规定，下列表述正确的是（ ）
①
公司股东会决议内容违法的无效
②
公司董事会决议内容违法的可以有效
③
公司股东会决议内容违反公司章程的无效
④
公司董事会决议内容违反公司章程有效
【单选题】
_________ the news of Jims death, the old medical officer was proud of his daughters boyfriend.
①
At
②
On
③
In
④
Of
【单选题】
In _____________ banking, we make extensive use of computers.
①
modern
②
ancient
③
old
④
classical
【单选题】
Waiter: __________ .Customer: Yes.I’llhavesomesalad,roastbeef,andmashedpotatoes.
①
Areyoureadytoordernow?
②
Doyouwantthemenu?
③
Doyoulikethesefood?
④
Whatdoyouwanttoeat?