单词:conditioned observation
单词:conditioned observation 相关文章
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
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
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
BEIJING, March 8 (Xinhua) -- China has promulgated a regulation aimed at better protecting maritime observation resources for collecting continuous and accurate data so as to enhance maritime disaster prevention. The regulation, published on Wednesda
You Are a Marvel 你是一个奇迹 Each second we live is a new and unique moment of the universe, a moment that will never be again. And what do we teach our children? We teach them that two and two make four, and that Paris is the capital of Franc
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