【单选题】有下列说法:①有一个角为60°的等腰三角形是等边三角形;②三边长为 14 , 5 ,3的三角形为直角三角形;③等腰三角形的两条边长为2,4,则等腰三角形的周长为10;④一边上的中线等于这边长的一半的三角形是等腰直角三角形.其中正确的个数是( )
【多选题】下列环境条件最有利于水玻璃凝结硬化的是( )。
【单选题】中国共产党一经成立,就把( )作为党的最高理想和最终目标。
【单选题】This passage uses all of the following words to talk about the symbolic significance of sports and sports movies EXCEPT ______.
【单选题】The author uses all of the following expressions interchangeably to support his view EXCEPT ______.
【单选题】All of the following are mentioned in the passage as reasons for allowing unlabeled uses of drugs EXCEPT ______.
A.
the increased cost to the patient of buying an FDA-approved drug
B.
the medical benefits which can accrue to the patient through unlabeled use
C.
the time lag between initial discovery of a medical use and FDA approval of that use
D.
the possibility that a medically beneficial use may never be clinically documented
【单选题】下列环境条件最有利于水玻璃凝结硬化的是( )
【单选题】下列说法正确的是( )
B.
有一个角是45°的等腰三角形是等腰直角三角形
【单选题】中国共产党一经成立,就把实现作为 党的最高理想和最终目标,
【单选题】下列环境条件最有利于水玻璃凝结硬化的是()