请教OG—CR—16，31

16，During the Second World War, about 375,000 civilians died in the US and about 408,000 members of US armed forces died overseas.On the basis of those figures , it can be concluded that it was not much more dangerous to be overseas in the armed forces during the second war than it was to stay at home as a civilian.

Which of teh following would reveal most clearly the absuridity of the conclusion drawn above?
Ans:
D Comparing death rates per thousand members of each group rather than comparing total numbers of deaths

原文中about 375,000 civilians died ，about 408,000 members of US armed forces died 就是说the total numbers of deaths？

31， Some who favor putting governmental enterprises into private hands suest that consevation objectives would in general be better served if private environmental groups were put in charge of operation and financing the national park system, which is now run by goverment.

问削弱。

Ans:
A Those seeking to abolish all restriction on exploiting the natural resources of the parks might join the private enviromental groups as members and eventaully take over their leadership.
请问A是怎么削弱的呢？

谢谢！