【单选题】As Dr. Samuel Johnson said in a different era about ladies preaching, the surprising thing about computers is not that they think less well than a man, but that they think at all. The early electronic...
A.
He believed that ladies were born worse preacher than man.
B.
He was pleased that ladies could preach, though not as well as inert.
【简答题】某校化学实验课上,同学们用化学方法探究一种钢样品中铁的含量.同学们将11.4g钢样品和20.0g稀盐酸(足量)放入质量为120.0g烧杯中.在化学反应过程中对烧杯及其中的剩余物进行了四次称量,记录如下表: 反应时间 T 0 T 1 T 2 T 3 烧杯和药品质量/g 151.4 151.3 151.0 151.0 (最后结果保留一位小数) (1)反应中产生氢气的质量是______g. (2)钢的类...
【单选题】A Dictionary of the English Language, ______ by Dr. Samuel Johnson, was the first real attempt as a systematic and interestingly written survey of English usage.