题目

I believe honesty is one of the greatest gifts. I know they call it a lot of fancy names these days, like (1) and straightforward. And it's still what （2）a man a good citizen. This is my secret, and I try to live by.  I've been in the taxi business for thirty-five years, (3) there is a lot about it that is not so good. Taxi drivers have to be rough and tumble(乱作一团) fellows to be able to take it in New York. You've got to be (4) to fight the New York traffic eight hours a day. Because taxi drivers are tough, people get the (5) impression that they are bad. Taxi drivers are just li一个电子排布为1s22s22p63s23p1的元素最可能的价态是（   ）A．+1B．+2C．+3D．-1