【单选题】Woo Sung was ______ by the Hoover Dam.
【判断题】The Hoover Dam was the way to provide power and water to dry regions in the east America.
【单选题】关于疾病的二级预防,理解错误的是
B.
二级预防的关键是“三早”即早期发现,早期诊断,早期处理
C.
二级预防的目的是防止疾病进一步恶化,以达到最大可能地恢复健康
D.
二级预防需要公共卫生机构,医院,卫生保健机构和家庭的共同参与
E.
二级预防的具体措施包括病例筛查,疾病普查,健康检查及预防性检查等
【多选题】二次文献又称二级次文献,是对 一次文献 进行加工整理后的产物,即对无序的一次文献的外部特征如题名、作者、出处等进行著录,或将其内容压缩成简介、提要或 文摘 ,并按照一定的学科或专业加以有序化而形成的文献形式,以下哪些是二次文献?
【判断题】按照内容和作用的不同,可以把决定分为法规性决定、知照性决定、指挥性决定、奖惩性决定。
【判断题】The Hoover Dam was to provide power and water to dry regions in West America.
【单选题】China's Three Gorges Dam ______
A.
is the first hydroelectric dam in the world
B.
is of the same size as the US's Hoover Dam.
C.
can generate around 3% of world electricity.
D.
is the largest hydroelectric dam in the world
【判断题】This is the picture of the Hoover Dam.