the author advises you not to make the internet just your toy or let the online world take you away from the real world.
如图所示电阻网络，试计算其中的等效电阻rab。
some scientists are arguing that whether iq is the best way to measure how in_______ a person is. (请根据字母提示填入正确的单词。)
new technology has enabled the development of an online " library". (virtually; 请用所给单词的合适形式填空。)
in a way the human race needs to improve its mental and physical qualities if it is to deal with the more and more ________ world and meet new challenges.
we often assume that when other people do the same things as we do, they do them for the same reasons; but this is not always reasonable. (assume; 请用所给单词的合适形式填空。)
kcl可推广运用于电路中任一假想的封闭面，而kvl可推广运用于电路中任一假想的封闭回路。
my dad _______ calling me "the big cane" when i started growing taller than the other girls.
若y形连接电路中r1=r2=r3=ry；d形连接中r12=r23=r13=r，则： rd= ry ； ry = rd。
the airline's responsibility is to load and _________ the bags from planes. (load; 请用所给单词的合适形式填空。)
图示电路, 如依据节点分析法，则节点1的基本节点方程是
已知图(a)所示电路的激励如图(b)所示，求零状态响应。
listen to the following dialogues, and then choose the best answer for each question．
man公司me-c系列柴油机实现电子控制的功能包括______。
在设备窗口中添加通用串口父设备和plc设备后才能进行相应的组态设置。
some people believe that since oil is scarce, the ________ of the motor industry is uncertain.