[求助]请教两道大全题

cjmizi

1.People
who have spent a lot of time in contact with animal-induced allergies, a
significant percentage of which are quite serious. In a survey of current
employees in major zoos, about 30 percent had animal-induced allergies.
However, a zoo employees who develops a serious animal-induced allergy is very
likely to switch to some other occupation .

    

 Which
of the following hypotheses receives the strongest support from the information
given?

    

 答案是E. Among members of the general population who have spent as much
time with animal as zoo  employees
typically have, the percentage with animal-induced allergies is significantly
more than 30 percent.

    

 求解题的思路??

    

 

    

2.
Which of the following most logically complete the argument?

    

 Yorco
and Zortech are two corporation that employ large numbers       of full time workers who are paid by the
hour. Publicly available records indicate that Yorco employs roughly the same
number of such hourly wage workers as Zortech does but spends a far higher
total sum per year on wages for such workers. Therefore hourly wages must be
higher, on average, at Yorco than at Zortrch, since___

    

 

    

A,B,C答案已经排除

    

D.
overtime work, which is paid at a substantially higher rate than work done
during the regular work week, is rare at both  Yorco and Zortech

    

 

    

E.
the highest hourly wages paid at Yorco are higher than the highest hourly wages
paid at Zortech.

    

 

    

正确答案是D 有点想不明白??

ggghost

1 significant多的“严重”已经转走，留下30%的轻微的，所以患病率为30%+significant

2 排除他因，不是加班多费钱造成的人力成本高。 总花费=人数*单位时间的工资*工作时间

cjmizi

恩 好像明白了 非常感谢ggghost同学！