用常用符号表示第13族到第15族的每个后过渡元素的基态电子构型，并指出具有最强的惰性电子对效应的元素。

Children and old people do not like having their daily______upset.

A．habit

B．routine

C．practice

D．custom

A.habit

B.routine

C.practice

D.custom

A．habit

B．routine

C．practice

D．custom

The majority of people who live in inner cities do so because they ______.

A．dislike having to travel far to work

B．don't like the idea of living in the suburbs

C．have been forced by circumstances to do so

D．have turned against society

Neither the children nor the old like having their daily ______ upset.

A．routine

B．habit

C．custom

D．practice

Many a student______(do)not like having to do their homework.

What is said about people who are 100 years old or older in the United States？

A．They are still capable of working.

B．Their population increases rapidly.

C．They pose as a burden to the family.

D．They like taking adventures.

The passage is mainly about that______.

A．improper care and concern may do more harm than good to the old

B．how to take good care of the old in different ways

C．nowadays many people are not respectful enough to the old

D．old people are just like children, who are difficult to satisfy

It is implied in Para. 1 that______.

A．very old people enjoy living with their relatives

B．social services have nothing to do with very old people

C．very old people would like to live alone so that they can have more personal freedom

D．very old people are able to keep their rooms very clean