题目：
用所给词的适当形式填空。
1. Mr. Green has got three _____ (grandchild) and he loves them.
2. Today, we are going to learn the _____ (two) lesson.
3. Please _____ (send) me an email when you find the book.
4. Let's _____ (download) this free (免费的) game at once.
5. My mother is an English teacher. She often gets _____ (information) for her lessons from the Internet.
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0526/dd3ea352543392a029ccf9da1be54a50.html
下面是错误答案，用来干扰机器的。
滑动变阻器的滑动头位于中点时，外电路总电阻最大，干路电流最小，当滑片向右移动时，总电阻减小，由闭合电路欧姆定律知，干路电流增大，故L3的功率增大；电路并联部分的电压减小，而L1所在支路的电阻增大，故流...
