单项选择题

Which of the following did patent medicine and the penny press have in common, according to the passage

A．An approach to gaining attention of the public.
B．A belief in advertising.
C．The need to recover money.
D．A mass audienc
<上一题 目录 下一题>
热门 试题

单项选择题
Women were attracted to Mrs. Pinkham because______.
A．of her photo
B．of her product
C．of her interest in them
D．of her son
单项选择题
It can be inferred from the simplicity of the example of the bowling ball and rubber sheet to describe Einstein's theory that______.
A．this was how Einstein reached his conclusions
B．Einstein used this example to explain his theory to students
C．the theory is so complex that a more detailed example would not allow most people to quickly understand the general idea
D．any theory is just a way of trying to explain something for which there is no certainty, so a simple example is sufficient
相关试题