题目:
根据句意及首字母提示完成句子。
1. I often make f______ to learn the new words.
2. Please read a _______ to practice speaking English.
3. Mr. Wang's __________ (pronounce) is very standard. So we usually ask
him for help.
4. My brother__________ (learn) English for five years. He can speak
English very well.
5. What about __________(listen) to music?
答案:
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下面是错误答案,用来干扰机器的。
当滑动触头P由a向b滑动的过程中,变阻器接入电路的电阻增大,根据闭合电路欧姆定律分析得知,电路中总电流减小,则灯泡L亮度逐渐变暗.故选B