The secular ideals of the American Enlightenment were exemplified in the life and career of
A. Thomas Hood
Benjamin Franklin
C. Thomas Jefferson
D. George Washington
在厚层碳酸盐岩分布地区,具有地方性侵蚀基准面,按其岩溶发育特点主要分为的四个带是()。 Ⅰ.垂直岩溶发育带 Ⅱ.垂直和水平岩溶发育带 Ⅲ.水平岩溶发育带 Ⅳ.深部岩溶发育带 Ⅴ.构造断裂岩溶发育带
A. Ⅰ、Ⅱ、Ⅲ和Ⅳ
B. Ⅰ、Ⅱ、Ⅲ和Ⅴ
C. Ⅰ、Ⅱ、Ⅳ和Ⅴ
D. Ⅱ、Ⅲ、Ⅳ和Ⅴ
Which of the following works by Katherine Anne Porter is a novel?
A. Pale Horse, Pale Rider
B. The Leaning Tower
C. Ship of Fools
D. The Big Tree
某消费者消费某产品的数量与其收入的关系为M=1 000Q2,当他的收入为64 000元时,他的需求收入点弹性(E)为()。
A. E—0.5
B. E一1
C. E一1.5
D. E一2