【单选题】采集24小时尿标本的方法,以下正确的是
A.
晨7时排空膀胱后开始留尿至次晨7时留完最后1次尿
B.
测定17-羟类固醇容器中加入40%甲醛溶液1—2ml
E.
送检时取出其中200—300ml送实验室检查
【单选题】Western Australia is the richest state in Australia with extraction and export of __________ and petroleum products.
A.
manufacturing products
【简答题】简要叙述Java中this关键字的作用。
【单选题】No doubt,robots are having a dramatic effect____ the labor market in this country.
【判断题】Western Australia is marked by the Great Dividing Range, running parallel to the coast of Queensland, New South Wales and much of Victoria.
【单选题】Internet上各种网络和各种不同类型的计算机相互通信的基础是( )协议
【判断题】Perth is the capital of Western Australia, and is thought to be the most isolated capital city in the world. It is a vibrant and modern city with almost 2.3 million people.
【判断题】Western Australia is marked by the Great Dividing Range, running parallel to the coast of Queensland, New South Wales and much of Victoria.
【判断题】Perth is the capital of Western Australia, and is thought to be the most isolated capital city in the world. It is a vibrant and modern city with almost 2.3 million people.
【单选题】Western Australia is the biggest Australian state,but its population is only()of the country.s population.