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与好友共享丰富的
教育资讯与资源
小学~高中全学段全学科，与课程章节匹配
Unit 2 Will books be replaced by the Internet?
Unit 1 Will computers be used more than books in the future.
Unit 2 He was invited to competitions around the world.
Unit 2 He was invited to competitions around the world.
Unit 2 It is still read and loved.
Unit 1 we’re still influenced by Confucius’s ideas.
Unit 2 If you tell him the truth now, you will show that you are honest.
Unit 2 If you tell him the truth now, you will show that you are honest.
Unit 1 If I start after dinner, I’ll finish it before I go to bed.
Unit 1 If I start after dinner, I’ll finish it before I go to bed.
Unit 1 Don’t cross that rope!
Unit 3 Language in use.
Unit 2 I became so bored with their orders that I wished they would leave me alone.
Unit 2 There were few doctors, so he had to work very hard on his own.
Unit 2 we have celebrated the festival since the first pioneers arrived in America.
Unit 2 we have celebrated the festival since the first pioneers arrived in America.
第3节 电阻的测量
第3节 电阻的测量
第1节 电流与电压和电阻的关系
第1节 电流与电压和电阻的关系
第3节 电阻
第2节 串、并联电路中电压的规律
第2节 串、并联电路中电压的规律
第1节 电压
