assumption题一直是我的头疼的内容，今天把GWD逻辑分类的assumption题目一起看了一遍，发现一个规律。这类题的正确选项中都有“no” “not” ”seldom“ 等否定字眼出现，后来我又试了一些题目，没有这类否定字眼的选项直接不看，在有的里面选，屡试不爽。特分享给大家，做题可以节省时间，在实战中不懂也可以蒙提高命中率，尤其是很多题，几个选项中只有一个有这类否定字眼出现，甚至不用看题直接可以拿下。

这个仅仅是俺一家之言，不一定100％正确，还请各位验证。下面是随便列几个例子，FYI

GWD-2-Question 11:

Many people suffer an allergic reaction to certain sulfites, including those that are commonly added to wine as preservatives.  However, since there are several wine makers who add sulfites to none of the wines they produce, people who would like to drink wine but are allergic to sulfites can drink wines produced by these wine makers without risking an allergic reaction to sulfites.

A.       These wine makers have been able to duplicate the preservative effect produced by adding sulfites by means that do not involve adding any potentially allergenic substances to their wine.

B.        Not all forms of sulfite are equally likely to produce the allergic reactions.

C.        Wine is the only beverage to which sulfites are commonly added.

D.       Apart from sulfites, there are no substances commonly present in wine that give rise to an allergic reaction.

E.        Sulfites are not
                    naturally present in the wines produced by these wine makers in amounts large enough to produce an allergic reaction in someone who drinks these wines.

GWD-3-Q32:

Newspaper editorial:

In an attempt to
                reduce the crime rate, the governor is getting tough on criminals and making prison conditions harsher.  Part of this effort has been to deny inmates（在监狱服刑的人） the access they formerly had to college-level courses.  However, this action is clearly counter to the governor’s ultimate goal, since after being released form prison, inmates who had taken such courses committed far fewer crimes overall than other inmates.

1. Not being able to take college-level courses while in prison is unlikely to deter anyone from a crime that he or she might otherwise have committed.

2. Former inmates are no more likely to commit crimes than are members of the general population.

3. The group of inmates who chose to take college-level courses were not already less likely than other inmates to commit crimes after being released.
                   
4. Taking high school level courses in prison has less effect on an inmate’s subsequent behavior than taking college-level courses does.

5. The governor’s ultimate goal actually is to gain popularity by convincing people that something effective is being done about crime.[C]

Most household appliances use electricity only when in use. Many microwave ovens,

However, have built-in clocks and so use some electricity even when they are not in

Use. The clocks each consume about 45 kilowatt-hours per year. Therefore, house

Holds whose microwave oven has no built-in clock use 45 kilowatt-hours per year

Less. On average, than do comparable households shoes microwave oven is other-

Wise similar but has a built-in clock.

这个事儿新东方网络课堂上有个老师提到过,适用于时间不够时候猜题用,正确率高达 50% 哪

今天那prep试了一把，果然不是100％适用～～

不过在时间不够或者需要蒙的情况下，还是可以提高正确的概率

是在某个逻辑的总结里面看到过，做assuption的题目步骤（应该说效率最高的步骤）：

1.读题，清楚因和果

2.直奔选项带NOT的取非来检验，如果削弱果（结论），则为正确答案

3.如果没有带NOT或取非后不能削弱，则考虑用补GAP和排除无关项来找答案

需要强调的是：assumption类型题和归纳题型、evaluation题型不同，排除法（特别是通过关键字来排除）要慎用。重点还是根据“寻找必要条件”原则来做题。

其实认真观察其他选项，有的也有带not/no的，所以我估计只能提高命中率，但不能确保答案。

毕竟在2、3个含not/no选项中蒙的时候还是很容易错的。

这个规律在 中也提到的.