许多同学都看过杂技演员表演的“水流星”，一根细绳系着盛水的杯子，演员抡起绳子，杯子就做圆周运动。不管演员怎样抡，水都不从杯里洒出。甚至杯子在竖直面内运动到最高点时，已经杯口朝下，水也不会从杯子里洒出来。演员的精采表演，每每博得观众的热烈掌声，如图为一杂技演员正在竖直平面内表演“水流星”，杯子在竖直面内做匀速圆周运动，则下列关于其中的一只杯子说法正确的是（        ）

“一个伟大僧人西行取经的传奇故事，一条由信念、坚持和智慧浇铸而成的求知之路，一个民族胸襟开放、海纳百川的真实写照”。文中的“伟大僧人”是指（    ）

下面有关物理学史和物理学方法的说法中，不正确的有（  ）

根据短文内容，完成下列小题。

    The story is about a young student. She worked very hard at her lessons. She worked so hard that she became ill. She couldn't go to sleep at night. When she got up the next morning, she felt very tired.

    So she went to see a doctor. Hearing the student's words, the doctor said, "You are too stressed out. You must eat more food like vegetables and tofu. Besides you can try to count(数) numbers when you are lying in bed. By the time you reach one thousand, you will be asleep. I'm sure of it."

    The next day, the student came to see the doctor again. "Well," said the doctor, "how are you feeling today?"

    The student still looked tired. "Yes," she said, "I tried to count one, two, three, four... up to one thousand. But when I reached five hundred and sixty, I feel sleepy. I had to get up and drink some coffee so that I could go on counting up to one thousand. But then I still couldn't be asleep."