皮皮学，免费搜题
登录
搜题
【单选题】
胆囊动脉通常发自A.
肝固有动脉
B.
肝动脉右支
C.
肝动脉左支
D.
肝总动脉
E.
肝门静脉
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
【多选题】关于扭矩的符号下列哪种说法正确的是( ).
A.
用右手的四指指向扭矩的转向,若大拇指的指向与截面外法线的方向相同时,扭矩为正
B.
用右手的四指指向扭矩的转向,若大拇指的指向与截面外法线的方向相反时,扭矩为负
C.
用右手的四指指向扭矩的转向，若大拇指的指向与截面外法线的方向相反时,扭矩为正
D.
确定扭矩正.负符号的方法称为右手螺旋法则.
E.
确定扭矩正.负符号的方法称为左手螺旋法则.
【简答题】Listen to the dialogues and choose the best answer toeach question from the four choices marked A, B, C and D.A. Learn how to make small talk. B. Take it easy and just go to the party. C. Try to mak...
【单选题】Listen to the conversations twice and choose the best answer to each question from the four choices marked A, B, C and D.
A.
He doesn't want to attend the party.
B.
He doesn't know what to buy as a gift.
C.
He doesn't know when to attend the party.
D.
He doesn't know whether he should take his kids to the party or not.
【单选题】关于 turtle 库,哪个选项的描述是错误的?
A.
turtle 绘图体系以水平右侧为绝对方位的 0 度
B.
turtle 库最早成功应用于 LOGO 编程语言
C.
turtle 库是一个直观有趣的图形绘制函数库
D.
turtle 坐标系的原点默认在屏幕左上角
【单选题】关于turtle库，哪个选项的描述是错误的？
A.
turtle 库是一个直观有趣的图形绘制函数库
B.
turtle 坐标系的原点默认在屏幕左上角
C.
turtle 绘图体系以水平右侧为绝对方位的 0 度
D.
turtle 库最早成功应用于 LOGO 编程语言
【多选题】Listen to the four telephone conversations and tick the expression you have heard.
A.
How do you spell that?
B.
Could you spell your name, please?
C.
M for Madrid.
D.
Did you say the 21st?
E.
Let me just check that.
F.
Could you repeat that, please?
相关题目：
参考解析：
知识点：
题目纠错 0
发布
