【单选题】what do many observers predict in view of the experience of the 20th century?
A.
Economic growth will slow down.
B.
Government budgets will increase.
C.
More people will try to pursue higher education
D.
There will be more competition in the job market.
【多选题】下列关于毛果芸香碱作用描述正确的有( )
【判断题】波兰天文学家哥白尼在1453年出版了著名的《天体运行论》一书,提出了太阳中心说,开始了自然科学从神学中解放出来的运动。
【判断题】使用切片操作字符串,切片的步长只能是正整数。
【判断题】使用切片操作字符串,切片的步长只能是正整数。
【单选题】The growth of international trade in services has been driven by advances in:
【多选题】下列哪些情况是异丙肾上腺素临床应用的适应证( )