【单选题】What is the purpose of smiling when you are presenting a speech?
A.
To bring your audience closer and show your confidence
C.
To make the speech funny
D.
To make the speech boring
【多选题】According to the video, when presenting the facts, you can ____________________.
【单选题】What does your textbook say you should do when presenting visual aids in a speech?
A.
Pass visual aids through the audience.
B.
Avoid using the chalkboard to present visual aids.
C.
Include visual aids only in informative speeches.
D.
Darken the room when presenting overhead transparencies.
【多选题】(多选)如图1所示,光滑绝缘的水平桌面上有一边长为L、电阻为R的正方形导体框.匀强磁场区域宽度为2L、磁感应强度为B、方向垂直桌面向下.导体框的一边始终与磁场边界平行,在外力作用下以恒定速度v穿过磁场.下列说法正确的是( )
B.
穿过磁场过程,导体框产生的焦耳热为2B2L3v/R
C.
进入磁场过程,通过导体框某一横截面的电荷量为BL2/R
D.
进入和离开磁场过程,通过导体框的电流大小都为BLv/R,且方向相同
【判断题】如果被审计单位某种存货存放在几个不同的地点,注册会计师最好应要求被审计单位同时停止流动,同时进行盘点。
【简答题】再进行裙子的变化款式设计时,我们可以利用原型裙的纸样,采用展开的方法,制成不同造型的裙子。上部拉开,下部不变,可以得到( )裙。
【单选题】Which choice below is not about your voice when presenting?
A.
Speak clearly and loudly enough for all to hear.
B.
Do not speak in a monotone voice.
C.
Use inflection to emphasize your main points.
D.
Pause at the time when there would normally be punctuation marks.