题目

Listen to the passage and complete the following sentences (听短文，完成下列内容，每空格限填一词)【1】Now Hu Xincheng ________ ________ a machine for help when she has hard maths problems.【2】Each classroom building has ________ ________ one machine like this in Hu’s school.【3】In a very short time the machines will be put in ________ ________ schools in Yongkang.【4】Li Bing, a teacher of the school, had the idea ________ ________ the machine.【5】Ye Xiaochang can find answers to questions in many ________ ________ on the machine.7．宇航员从地球到达月球上时，宇航员的质量不变，重力减小（均填“减小”“不变”或“增大”）