皮皮学，免费搜题
登录
搜题
【多选题】
关于数据类型说法正确的有()。A.
数据类型的用途是数据对象类型及运算规则,提高效率,避免对数的非法操作。
B.
在Python中,每个对象一个数据类型。
C.
字符串类型是字符序列的表示,代表由一串字符构成的数据类型。
D.
字符串数据在书写时,字符串两端不需要加上英文引号。
E.
逻辑类型:表示真、假逻辑值。共有2个值:True、False。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】The Electrolux Trilobite 2.0 robot vacuum cleaner ______.
A.
asks permission before moving from room to room.
B.
uses lasers to help it avoid objects.
C.
is programmable.
【单选题】听力原文：W: Did you go to the library, before or after your exam this morning? M: Before. First, I went to the library to review my lessons, and after I had my lunch, I played football before I went home....
A.
Lunch.
B.
Exam.
C.
Review his lessons.
D.
Playing football.
【单选题】What can be inferred from the passage?
A.
11 percent of boys in America smoke before their fourth grade.
B.
Nicotine is a part of cigarette.
C.
Children form. values in the fourth grade.
D.
Parents who cannot stop smoking should force their children to stay away from it.
【简答题】f___ n. an area where people have never lived before, that not much is known about, esp. in the western US before the 20th century
【简答题】是在既定的成本和生产要素价格条件下,生产者可以购买到的两种 生产要素 的各种不同数量组合的轨迹。
【单选题】The f i re ____ for three hours before the f i re fighters arrived.
A.
had be e n burning
B.
h ad burned
C.
would have burning
D.
has been burning
【简答题】是指:在既定的成本和生产要素价格条件下,生产者可以购买到的两种生产要素的各种不同数量组合的轨迹。
【简答题】Heat the pan with some oil before stir-f__ the carrots.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
