皮皮学，免费搜题
登录
logo - 刷刷题
搜题
【判断题】
用解析法求平面汇交力系的合力时,若选取不同的直角坐标轴,其所得的合力一定相同。
A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案：
举一反三
【单选题】细胞外液中的钾离子浓度升高时,可使 ( )
A.
Ａ.静息电位增大
B.
Ｂ.静息电位减小
C.
Ｃ.动作电位增大
D.
Ｄ.动作电位减小
查看完整题目与答案
【简答题】一个C源程序中至少应包含一个 函数。
查看完整题目与答案
【单选题】“Your presentation is really wonderful!” is an example of ________.
A.
introducing oneself
B.
signal your intention of asking a question
C.
complimenting on the speaker’s presentation
D.
clarifying question
查看完整题目与答案
【多选题】How to select the main points in your presentation?
A.
include no more than ten major points in one presentation.
B.
include no more than five major points in one presentation.
C.
identify absolutely essential points to accomplish your purpose.
D.
Consider your family.
E.
Consider your audience.
F.
Compare your major points to your purpose.
G.
Consider the occasion.
查看完整题目与答案
【单选题】“Your presentation is really wonderful!” is an example of ________.
A.
introducing oneself
B.
signaling your intention of asking a question
C.
complimenting on the speaker’s presentation
D.
clarifying question
查看完整题目与答案
【单选题】—You did an excellent job yesterday, Jim! I really enjoyed your presentation.—Oh yeah, it was fabulous. It seems the English program is a great way to practice English. —Yeah. It is fun and motivating...
A.
Did you really?
B.
Oh, thank you. You are so kind.
C.
Really? What about yours?
D.
Not at all. My pleasure.
查看完整题目与答案
【单选题】听力原文：When are you giving your presentation? (A) It's on modern art. (B) I'm scheduled for Wednesday. (C) I was present for the meeting. (14)
A.
B.
查看完整题目与答案
【单选题】听力原文：M: After you complete your presentation points, I can go over the details of the new hardware features using the prototype blender. W: I took the hardware home last night so that I could do more ...
A.
A graphic design course.
B.
A presentation.
C.
A press conference.
D.
Office renovations.
查看完整题目与答案
【单选题】细胞外液中的钾离子浓度升高时,可使 ( ) A. 静息电位增大 B.静息电位减小 C.动作电位增大 D. 细胞的兴奋性增强 E. 动作电位减小
A.
静息电位增大　 静息电位减小　   C.动作电位增大　    D. 细胞的兴奋性增强 E. 动作电位减小
B.
静息电位减小　动作电位增大　    D. 细胞的兴奋性增强 E. 动作电位减小
C.
动作电位增大　    细胞的兴奋性增强 E. 动作电位减小
D.
细胞的兴奋性增强 动作电位减小
E.
动作电位减小
查看完整题目与答案
【单选题】197球管平衡现象的机理是()。
A.
肾小球滤过率增大时，近球小管的重吸收率也随之提高
B.
近球小管的重吸收率增大时，肾小球滤过率也随之提高
C.
肾小球滤过率减小时，近球小管的重吸收率不变
D.
近球小管的重吸收率减小时，肾小球滤过率随之降低
查看完整题目与答案
相关题目：
【单选题】细胞外液中的钾离子浓度升高时,可使 ( )
A.
Ａ.静息电位增大
B.
Ｂ.静息电位减小
C.
Ｃ.动作电位增大
D.
Ｄ.动作电位减小
查看完整题目与答案
【简答题】一个C源程序中至少应包含一个 函数。
查看完整题目与答案
【单选题】“Your presentation is really wonderful!” is an example of ________.
A.
introducing oneself
B.
signal your intention of asking a question
C.
complimenting on the speaker’s presentation
D.
clarifying question
查看完整题目与答案
【多选题】How to select the main points in your presentation?
A.
include no more than ten major points in one presentation.
B.
include no more than five major points in one presentation.
C.
identify absolutely essential points to accomplish your purpose.
D.
Consider your family.
E.
Consider your audience.
F.
Compare your major points to your purpose.
G.
Consider the occasion.
查看完整题目与答案
【单选题】“Your presentation is really wonderful!” is an example of ________.
A.
introducing oneself
B.
signaling your intention of asking a question
C.
complimenting on the speaker’s presentation
D.
clarifying question
查看完整题目与答案
【单选题】—You did an excellent job yesterday, Jim! I really enjoyed your presentation.—Oh yeah, it was fabulous. It seems the English program is a great way to practice English. —Yeah. It is fun and motivating...
A.
Did you really?
B.
Oh, thank you. You are so kind.
C.
Really? What about yours?
D.
Not at all. My pleasure.
查看完整题目与答案
【单选题】听力原文：When are you giving your presentation? (A) It's on modern art. (B) I'm scheduled for Wednesday. (C) I was present for the meeting. (14)
A.
B.
查看完整题目与答案
【单选题】听力原文：M: After you complete your presentation points, I can go over the details of the new hardware features using the prototype blender. W: I took the hardware home last night so that I could do more ...
A.
A graphic design course.
B.
A presentation.
C.
A press conference.
D.
Office renovations.
查看完整题目与答案
【单选题】细胞外液中的钾离子浓度升高时,可使 ( ) A. 静息电位增大 B.静息电位减小 C.动作电位增大 D. 细胞的兴奋性增强 E. 动作电位减小
A.
静息电位增大　 静息电位减小　   C.动作电位增大　    D. 细胞的兴奋性增强 E. 动作电位减小
B.
静息电位减小　动作电位增大　    D. 细胞的兴奋性增强 E. 动作电位减小
C.
动作电位增大　    细胞的兴奋性增强 E. 动作电位减小
D.
细胞的兴奋性增强 动作电位减小
E.
动作电位减小
查看完整题目与答案
【单选题】197球管平衡现象的机理是()。
A.
肾小球滤过率增大时，近球小管的重吸收率也随之提高
B.
近球小管的重吸收率增大时，肾小球滤过率也随之提高
C.
肾小球滤过率减小时，近球小管的重吸收率不变
D.
近球小管的重吸收率减小时，肾小球滤过率随之降低
查看完整题目与答案
参考解析：
知识点：
题目纠错 0
发布
创建自己的小题库 - 刷刷题