【简答题】A.taking B.bringing C.getting D.introducing
【单选题】某三极管的极限参数为:Icm=100mA,V(BR)CEO=20V, PCM=100mW则该元件安全工作状态为( ) A. Ic=10mA Vce=15V B. Ic=10mA Vce=9V C. Ic=20mA Vce=9V
【简答题】While introducing, ____________ to make them feel important.
【单选题】“东船西舫悄无言,唯见江心秋月白”两句环境描写在文中的作用是
C.
以景色的静寂寥廓,烘托观众完全沉浸在音乐声中
【多选题】Which sentences are introducing the business scale?
A.
We are introducing ourselves as one of the the leading companies in China in automobile manufacturing.
B.
We are introducing ourselves as a corporation dealing with elevators.
C.
Our products are mainly electrical automobiles.
D.
Our products are of high quality.
【单选题】《铁路旅客运输服务标准》要求,在乘务工作中,对旅客的配合和支持应表示( )。
【简答题】某三极管的极限参数ICM =100mA,PCM =150mW,U(BR)CEO =30V,若它的工作电压UCE =10V,则工作电流IC不得超过( )mA,若工作电流IC =1 mA,则工作电压的极限值应为( )V。
【单选题】Which of the following best describes the development of the passage?
A.
Introducing the issue→describing the actual status→citing ways to deal with the issue →offering reasons.
B.
Describing the actual status→introducing the issue→citing ways to deal with the issue →offering reasons.
C.
Introducing the issue→citing ways to deal with the issue→describing the actual status→offering reasons.
D.
Describing the actual status→offering reasons→introducing the issue→citing ways to deal with the issue.