求助prep上面两道题

When the temperature of a gas is increased, it is either accompanied by an increase in pressure if the gas is enclosed in a container, or an increase in volume if the gas is able to expand.

A. ...

B. When the temperature of a gas is increased, it is accompanied either by an increase in pressure if it is enclosed in a container or

C. When the temperature of a gas is increased, the increase is either accompanied by an increase in pressure if the gas is enclosed in a container or by

D. Any increase in the temperature of a gas is either accompanied by an increase in pressure if it is enclosed in a container, or by

E. Any increase in the temperature of a gas is accompanied either by an increase in pressure if the gas is enclosed in a container or by

答案E. 但是any什么的不是不能随便加么?

还有一道

As the former chair of the planning board for 18 consecutive years and a board member for 28 years, Joan Philkill attended more than 400 meetings and reviewed more than 700 rezoning applications.

A. As the former, B. The former, C. Former, D. She was. E. As the

答案E. 咋整就把former给去了呢?

1.either or 平行结构是非常严格的,选项中一定要选最平行的结构,除了E 其他的都不平行

2.同问