题目

Much meaning can be conveyed, clearly, with our eyes, so it is often said that eyes can speak. Do you have such kind of experience? In a bus you may look at a stranger, but not too long. And if he is sensing that he is being stared at, he may feel uncomfortable. The same in daily life. If you are looked at for more than necessary, you will look at yourself up and down, to see if there is anything wrong with you. If nothing goes wrong, you will feel angry toward others’ stare at you that way. Eyes do speak, right? Looking too long at someone may seem to be rude and aggressive. But thin 如图，国旗上的五角星的五个角的度数是相同的，每一个角的度数都是 [　　] A．30° B．35° C．36° D．42°