题目内容

游泳池专用入水技术分为跨步式，蛙腿式，鱼跃式、抱膝式等。()

查看答案

搜索结果不匹配？点我反馈

更多问题

直接赴救技术中跨步式入水技术是唯一的一种入水技术。()

查看答案

游泳救生可以分为”游泳池救生”和”静水救生”。()

查看答案

In tests for Pironoma, a serious disease, a false positive result indicates that people have Pironoma when, in fact, they do not; a false negative result indicates that people do not have pironoma when, in fact, they do. To detect pironoma most accurately, physicians should use the laboratory test that has the lowest proportion of false positive results. Which of the following, if true, gives the most support to the recommendation above？

A. The accepted treatment for Pironoma does not have damaging side effects.
B. The laboratory test that has the lowest proportion of false positive results causes the same minor side effects as do the other laboratory tests used to detect Pironoma.
C. In treating Pironoma patients, it is essential to begin treatment as early as possible, since even a week of delay can result in loss of life.
D. The proportion of inconclusive test results is equal for all laboratory tests used to detect Pironoma.
E. All laboratory tests to detect Pironoma have the same proportion of false negative results.

查看答案

蛙式潜泳，臂划水的幅度要比蛙泳臂划水的幅度小。()

查看答案