【判断题】相同的形状可以有不同的形象,相同的形象也可以有不同的形状。
【单选题】Which of the following most probably provides an appropriate analogy from human morphology for the 'details' versus 'constraints' distinction made in the passage in relation to human behavior?
A.
The psychological profile of those people who are able to delay gratification as against people's inability to control their lives completely.
B.
The ability of some people to dive to great depths as against most people's inability to swim long distances.
C.
The greater lung capacity of mountain peoples that helps them live in oxygen-poor air as against people's inability to fly without special apparatus.
D.
The ability of most people to see all colors of the visible spectrum as against most people's inability to name any but the primary colors.
【判断题】扩孔时的切削速度一般为钻孔的,进给量为钻孔时的1.5~2倍。()
【判断题】羧酸酯的酰化能力比羧酸强,可用于N-酰化和O-酰化反应,一般应在高温下进行反应,且以质子酸、Lewis酸或醇钠进行催化。
【单选题】扩孔时的进给量为钻孔的1.5~2倍.切削速度为钻孔的( )。
【判断题】Analogy: Appropriate praise to a child is what the sun is to a flower.