单选题Aroca City currently funds its public schools
单选题Most banks that issue credit cards charge
单选题If the price of the clothes decreases from $25 to $20, what is the percent decrease in price?
单选题Tanco, a leather manufacturer, uses large
单选题Although Ackerburg's subway system is currently
单选题Generally scientists enter their field with the
单选题在一个数列中，第一项和第二项分别是2和4，随后的每一项都是前面各项的和，如果第10项的值是n，那么第15项是多少?
单选题The regular price of a certain car is $10,000. If the price is discounted by 20 percent during the first week and the reduced price is then discounted by 5 percent during the next week, how much money
单选题把苹果放进n个抽屉，至少放多少个苹果才能够保证至少有一个抽屉里有两个或者两个以上苹果?
单选题Meat from chickens contaminated with salmonella
单选题从两个集合{8、9、10、11、12、13、14}和{15、16、17、18、19}中分别随机挑出一个来并且相加，问它们的和最多有几种?
单选题If x and z are integers, is x + z2 odd?1 x is odd and z is even. 2 x-z is odd.
单选题If x, y are positive integers, is xy divisible by 4?1y+2 is divisible by 4.2x+2 is divisible by 4.
单选题有一棵树，高为10米，现在在其五等分fifths和三等分thirds处被做标记，如果这棵树要在标记处被截断，下面哪一个给出了所有不同的被截后树的长度?
单选题The interview is an essential part of a
单选题On a trip of 408 miles, Tom travels the first 160 miles in 4 hours. At what rate must he travel for the remainder of the trip in order to average 34 miles per hour for the entire trip? in miles per ho
单选题Plantings of cotton bioengineered to produce its
单选题A，B两个人合作生产一批零件，6天可以完成任务。A先做5天后，因事外出，由B接着做3天，共完成任务的710，如果A单独做这批零件需要多少天?
单选题X, Fare positive integers and X+2Y=16. What’s the value of X?1X＞Y2X＞4, Y＞4
单选题If d=123.4546, and d1 is the number obtained by rounding d to the nearest hundredths, then d1=