【单选题】Scientists in India have invented a new way to produce electricity．Their invention does not get its power from oil, coal or other fuels．It produces electricity with the power of animals．India has abou...

【单选题】小牛腰的外围包有一层很厚的（）。

【简答题】维也那华尔兹和牛仔的音乐长度为至少()。

【单选题】牛仔盖肉瘦肉多、筋膜少，属于（）牛肉，适宜切丝、切片、切丁之用。

【单选题】小牛”导弹家族的最大特点是（）

【判断题】两头黑牛交配，产下了一头棕色小牛，可见棕色牛是隐性形状．______．（判断对错）

【简答题】阅读理解. Popular music in America is what every student likes. Students carry small radios with earphones and listen to music before class, after class, and at lunch. Students with cars buy large speaker...

【多选题】下列做法不能够减小牛鞭效应的是()

【简答题】大牛和小牛头数的比是4：5，表示大小牛少14．______．（判断对错）

【简答题】完形填空 Mrs. Brown is my new neighbor. She 1 in a bank and meets lots of people 2 . She is friendly to everyone and likes 3 others. Mrs. Brown is fifty years old, 4 she looks very young.  She is of mediu...