Which of the following is the characteristic of children? _________
A. Not afraid of making mistakes.
B. Analytical in learning.
C. More instrumentally motivated.
D. Good at generalizing.
查看答案
In a teaching activity, the teacher says some instructions, such as “Show me your pen/ eraser/ crayon/ ruler---”, and the students must respond with actions. The activity helps the students develop__________.
A. Listening and speaking
B. Listening and doing
C. Reading and writing
D. Speaking and acting
Which of the following is focused on writing? ______
A. Labeling pictures according to their contents.
B. Sequencing the pictures according to the story.
C. Writing captions for pictures.
D. Commenting on the pictures.
拆下或装上蓄电池电缆时,应确保点火开关或其他开关都已断开,否则会导致半导体元器件的:( )。
A. 短路
B. 损坏
C. 断路
D. 故障
在不同温度范围内,以恒定电流充电至动力电池组总电压达到或最高单体电压达到此温度条件下的规定电压值,再以恒定电压充电至电流小于( )后停止充电。
A. 0.2A
B. 0.4A
C. 0.6A
D. 0.8A