话题复习综合测试卷九 科普知识与技术 听力原文与参考答案.pdf
话题复习综合测试卷九 科普知识与技术.mp3
话题复习综合测试卷九 科普知识与技术.pdf
话题九 话题复习同步测试卷
听力原文
Text 1
What is a knife usually used for
Text 2
Will people live to be 200 years old
Text 3
When was the first computer invented
Text 4
Can you tell me what your ring is made of
Text 5
Is a writing brush made of bamboo and animals’ hair
Text 6
The first robot was invented by a...