【单选题】【消耗次数：1】
两个可测函数的和（）
①
可能可测
②
一定可测
③
可能不可测
④
不确定
参考答案：
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相关题目
【简答题】
叙述可测函数和简单函数的关系。
随机题目
【单选题】
I think his hard work will _______ big success in the end.
①
take up
②
put out
③
get by
④
result in
【单选题】
Is the library _______ now? No, its _______.
①
open；close
②
opening；closing
③
open；closed
④
opened；closed
【单选题】
Although they plant trees in this area every year, the tops of some hills are still ______.
①
blank
②
hollow
③
vacant
④
bare
【单选题】
Do let me know immediately if something unexpected______.
①
rises
②
raises
③
praises
④
arises
【单选题】
Do you mind changing seats with me?_________
①
Yes, you can.
②
Of course, I like to.
③
No, I don’t mind.
④
Certainly, please do.
【判断题】
判断线上的内容是否正确：The first glasses of Coca Cola were drunk in 1886. The drink was first __made___ by a US chemist called John Pemberton
①
正确
②
错误