【專題 GMAT邏輯題】
The heavy traffic in Masana isa growing drain on the city』s economy-the clogging of the streets of thecentral business district alone cost the economy more than$1.2 billion over thepast year. In order to address this problem, officials plan to introducecongestion pricing, by which drivers would pay to enter the city』s most heavilytrafficked areas during the busiest times of the day.Which ofthe following, if true, would most strongly indicate that the plan will be asuccess?
A.Approximately one-fifth of the vehicles in the central business district are intransit from one side of the city to the other.
B.Planners expect that, without congestion pricing, traffic in Masana is likelyto grow by 6 percent in the next five years.
C. Inother urban areas, congestion pricing has strongly encouraged carpooling(sharing of rides by private commuters).
D.Several studies have shown that a reduction in traffic of 15 percent in Masanacould result in 5, 500 or more new jobs.
E. Over30 percent of the vehicles in the city』s center are occupied by more than oneperson.
吃了晚飯後，大姐、二姐和三妹在客廳玩了兩盤紙牌遊戲，三人按順序抽取別人的牌，若誰的手中只剩下一個單張，她就算輸了。若抽的牌與手中的牌配成了對子，就可以把這對牌打出。這個遊戲就是要抽牌配對，防止留下一個單張。如果對子打出之後，手中就沒有牌了，則下一個人就從另一個人手中抽。在每一盤將要結束的時候，情況是這樣的：(1)大姐只有1張牌，二姐只有2張牌，三妹也只有2張牌；這5張牌包括2個對子和1個單張，但任何人的手中都沒有對子；(2)大姐從二姐的手中抽了1張牌，但沒能配成對；(3)二姐從三妹手中抽了1張牌，隨後三妹從大姐手中抽了1張牌；(4)在兩盤紙牌遊戲中，每個人每次拿的牌是不一樣的；(5)三姐妹都有連輸兩盤的。請問，在兩盤紙牌遊戲中，三姐妹中哪一位保持不敗？
【專題 GMAT邏輯題】
Which of the following mostlogically completes the argument? Sviatovinis a medieval Moringian text whose author and exact date of composition areunknown. However, the events in the life of Prince Sviatov that the textdescribes occurred in 1165, and in the diagram of Sviatov』s family thataccompanies the text his father, who died in 1167, is identified as stillliving. Thus Sviatovin must have been written between 1165 and 1167, assuringthat.
A. thelife of Prince Sviatov is not the subject of any other medieval Moringian texts
B. theauthor of Sviatovin intended it to provide as accurate a report about PrinceSviatov's exploits as possible
C. thediagram accurately represents the composition of Sviatov's family at thetimeSviatovin was written
D.Sviatovin is the earliest Moringian text whose composition can be dated towithin a few years
E Sviatovin was not written by Sviatov's father himself
有一個神奇的島，島上的居民要麼總是說真話，要麼總是說假話。
在這個島上有一個數字狂熱者俱樂部，有會員40人，他們不是每天都來俱樂部，但是每天至少有4人在。這個俱樂部的會員只用數字回答別人的問題。而且他們回答問題是總是有特殊的癖好：
1.他們只用非負整數來回答問題，且數字永遠不會大於當天在場的會員總數。
2.他們對問題有要求，只回答那些正解和被問人無關的問題（舉個例子，他們不回答「你多高？」，因為不同人可能不等高，正確答案就和被問人相關了）。
有一天三個當地記者A、B和C來到這個俱樂部，每人問了一個問題，在場的會員都回答了這些問題。
下面是當天A、B和C事後的談話：
A：我問了在場的會員們他們之中有多少是說實話的。
B：我問了在場的會員們他們之中有多少是不說實話的。
C：上面這兩句話不都是實話。
A：對我的問題，這麼多回答都不相同。
B：真巧，我的也是呢。
C：對我的問題，這麼多回答中至少有兩個是不同的。
A：非常有趣的是，對於我的問題，他們的回答加起來正好是個迴文數。
B：真巧，我的也是呢。
C：對我的問題，他們的答案加起來不小於在場會員的成員數的平方。
問：那天俱樂部有多少會員？
PS：迴文數正讀倒讀一樣，比如1234321，5665，787，99,0等等。
33iq里好像沒看到這道題，分享下，據統計，在美國，在20分鐘內能回答出這道題的人，平均年薪在8萬美金以上，題目如下：
5個海盜搶到了100顆寶石，每一顆都一樣的大小和價值連城。他們決定這麼分：
1． 抽籤決定自己的號碼（1，2，3，4，5）
2． 首先，由1號提出分配方案，然後大家5人進行表決，當且僅當超過半數的人同意時，按照他的提案進行分配，否則將被扔入大海喂鯊魚。
3． 如果1號死後，再由2號提出分配方案，然後大家4人進行表決，當且僅當超過半數的人同意時，按照他的提案進行分配，否則將被扔入大海喂鯊魚。
4． 以次類推
條件： 每個海盜都是很聰明的人，都能很理智的判斷得失，從而做出選擇。
問題：第一個海盜提出怎樣的分配方案才能夠使自己的收益最大化？
①陳述句是命題；
②「至少有一個實數x，使x*x*x+1≤0」是真命題；
③命題「x、y、z不能同時大於0」的否定是「x、y、z同時大於0」；
④若p是真命題，q是假命題，則p∧q是真命題；
⑤若「mx-2＞0」充要條件是「x-2＞0」，則m=1．
其中正確說法的序號是______．
【專題 GMAT邏輯題】
The higher the level of certainvitamins and minerals in the bloodstream, the better a person's lung function, asmeasured by the amount of air the person can expel in one second. The lung functionof smokers is significantly worse, on average, than that of nonsmokers. Clearly,therefore, one way for smokers to improve their lung function is for them to increasetheir intake of foods that are rich in these helpful vitamins and minerals. Which of the following is an assumption on whichthis argument depends?
(A) Smokers are less likely than nonsmokers to have diets thatare rich in vitamins and minerals.
(B) The lung function of smokers whose diets are rich in thosevitamins and minerals is generally better than that of nonsmokers with comparablediets.
(C) People whose diets are deficient in those vitamins and mineralsdo not typically have other health problems in addition to diminished lung function.
(D) Stopping smoking will not typically improve lung functionmore than any diet changes can.
(E) Smoking does not introduce into the body chemicals thatprevent the helpful vitamins and minerals from entering the bloodstream.
