单词：be conditioned
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Passage 40 How High Can You Jump? Flea trainers have observed a strange habit of fleas while training them. Fleas are trained by putting them in a cardboard box with a top on it. The fleas will jump up and hit the top of the cardboard box over and o
英语专业四级听写
VI. Further Listening and Speaking Listening Task 1: The Residence Hall The University Residence Hall houses 339 students. It is conveniently located on campus, and provides comfortable, fully air-conditioned room for male and female students. As an
新视野大学英语：视听说教程 1
5 房屋设施 3句英文任你选 The room is large and bright. The two windows open on to a small garden. 房间又宽敞、又明亮。打开落地窗便是小花园。 It has all the furniture necessary for daily use. 日常用的家具都有。
商务英语口语每天三句半
How High Can You Jump? Flea1) trainers have observed a strange habit of fleas while training them.Fleas are trained by putting them in a cardboard box with a top on it.The fleas will jump up and hit the top of the cardboard box over and over and over
英语沙龙
How High Can You Jump? Fleas trainers have observed a strange habit of fleas while training them. Fleas are trained by putting them in a cardboard box with a top on it. The fleas will jump up and hit the top of the cardboard box over and over and ove
英语专业四级听力50篇
How High Can You Jump? Flea trainers have observed a predictable and strange habit of fleas while training them. Fleas are trained by putting them in a cardboard box with a top on it. The fleas will jump up and hit the top of the cardboard box over a
英语美文