求教两道CR：攻击前提Or攻击推理过程？

bendrift

39.    (32799-!-item-!-188;#058&007548)

The imposition of quotas limiting imported steel will not help the big American steel mills.  In fact, the quotas will help "mini-mills" flourish in the United States.  Those small domestic mills will take more business from the big American steel mills than would have been taken by the foreign steel mills in the absence of quotas.

Which of the following, if true, would cast the most serious doubt on the claim made in the last sentence above?

(A) Quality rather than price is a major factor in determining the type of steel to be used for a particular application.
(B) Foreign steel mills have long produced grades of steel comparable in quality to the steel produced by the big American mills.
(C) American quotas on imported goods have often induced other countries to impose similar quotas on American goods.
(D) Domestic "mini-mills" consistently produce better grades of steel than do the big American mills.
(E) Domestic "mini-mills" produce low-volume, specialized types of steel that are not produced by the big American steel mills.

疑问：选项又没有说 Domestic “mini-mills”only produce sth which not produced by big mills.
所以Domestic mini－mills take business from big mills的嫌疑还是潜在啊。

17.    (26864-!-item-!-188;#058&003368)

At present the Hollywood Restaurant has only standard-height tables.  However, many customers come to watch the celebrities who frequent the Hollywood, and they would prefer tall tables with stools because such seating would afford a better view of the celebrities.  Moreover, diners seated on stools typically do not stay as long as diners seated at standard-height tables.  Therefore, if the Hollywood replaced some of its seating with high tables and stools, its profits would increase.

The argument is vulnerable to criticism on the grounds that it gives reason to believe that it is likely that

(A) some celebrities come to the Hollywood to be seen, and so might choose to sit at the tall tables if they were available
(B) the price of meals ordered by celebrities dining at the Hollywood compensates for the longer time, if any, they spend lingering over their meals
(C) a customer of the Hollywood who would choose to sit at a tall table would be an exception to the generalization about lingering
(D) a restaurant's customers who spend less time at their meals typically order less expensive meals than those who remain at their meals longer
(E) with enough tall tables to accommodate all the Hollywood's customers interested in such seating, there would be no view except of other tall tables

疑问：a customer－－－这里是指看watch celebrites还是diner的呢？不知道。
1。假设是watch celebrites的，原文已经说了many they prefer high.....怎么会有exception
2. 假如是吃饭的，原文已经说他们会走的早，假如是一个例外的是继续坐下去？。。。。就没有profit的增加了？
原文没有介绍profit到底是来自watch celebrites 还是吃饭的啊。

求教求教！

puqiandi

你当然会想多看会明星

bendrift

看明星的会逗留和那两个目的相左啊？
high table－－看明星的喜欢的啊。
high table的另外一个目的是让diner赶快走啊。
谢谢！

puqiandi

17题，看明星的都会逗留，因此高table的两个目的相左

puqiandi

39说因为有quotas，所以小公司会夺走大公司生意，E选项给出，小公司是生产不一样的东西，和大公司做的生意不一样，所以有无配额无所谓的，没影响的。就算小公司有生意也是因为产品，而不是配额