【简答题】讨论函数 的连续区间与间断点,并指出间断点的类型
【简答题】(1)求 的间断点,并指出其类型; (2)求函数 的间断点,并指出其类型
【单选题】We are past the period of evolution when only the fittest can______.
【单选题】It is only with further evolution and refinement that health plan report cards can ______their potential and become a distinctive and useful tool.
【单选题】We can infer from the last two paragraphs that______.
A.
evolution is a mindless, random process
B.
sometimes, nature's systems are more advanced than modern technology
C.
engineers who invent new technology always discover that nature has been there first
D.
real-world problems can be solved by using design knowledge
【简答题】指出下列函数的间断点,并说明这些间断点的类型: