题目内容

志愿者活动
Directions: For this part, you are allowed 30 minutes to write a short essay entitled On Volunteering activities. You should write at least 120 words following the outline given below: 1. 越来越多的人从事志愿者工作 2. 志愿者工作的社会意义 3. 作为大学生,应该怎么做

查看答案
更多问题

A.includedB.questionedC.examinedD.involved

A. included
B. questioned
C. examined
D. involved

对于非惯性参考系,牛顿第二定理照样成立。()

A.moveB.rateC.ratioD.pace

A. move
B. rate
C. ratio
D. pace

某一电压放大电路,当输出端开路时,输出电压为5V,当接上2kΩ负载时,输出电压下降为4V,该电路的输出电阻R是0.5KΩ。()

答案查题题库