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题库总题数 9563
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  • OG19新题 题目总数:142 做题总人数:8255 平均准确率:75.1%

    2018年6月出版,OG19新题即OG2019综合册里与OG18相比新增的题目。此内容做为官方题源可以帮助大家更好的需要了解考点,了解考试趋势和考官思维。OG建议大家刷3遍,第一遍刷纸质,第二遍计时精刷,第三遍刷错题。做完后记得及时分析总结。

    • 【问题求解PS】-18359 -OG21新题

      In the figure above, ABCD is a parallelogram and E is the midpoint of side AD. The area of triangular region ABE is what fraction of the area of quadrilateral region BCDE ?

      来源:OG21新题 263人已做 其他难度 61.2%正确率

    • 【问题求解PS】-18357 -OG21新题

      The outer dimensions of a closed rectangular cardboard box are 8 centimeters by 10 centimeters by 12 centimeters, and the six sides of the box are uniformly centimeter thick. A closed canister in the shape of a right circular cylinder is to be placed inside the box so that it stands upright when the box rests on one of its sides. Of all such canisters that would fit, what is the outer radius, in centimeters, of the canister that occupies the maximum volume?

      来源:OG21新题 266人已做 其他难度 49.6%正确率

    • 【问题求解PS】-18356 -OG21新题

      If the length of a diagonal of a square is , what is the area of the square in terms of x ?

      来源:OG21新题 267人已做 其他难度 90.3%正确率

    • 【问题求解PS】-18355 -OG21新题

      Last year Brand X shoes were sold by dealers in 403 different regions worldwide, with an average (arithmetic mean) of 98 dealers per region. If last year these dealers sold an average of 2,488 pairs of Brand X shoes per dealer, which of the following is closest to the total number of pairs of Brand X shoes sold last year by the dealers worldwide?

      来源:OG21新题 267人已做 其他难度 79.8%正确率

    • 【问题求解PS】-18354 -OG21新题

      Carol purchased one basket of fruit consisting of 4 apples and 2 oranges and another basket of fruit consisting of 3 apples and 5 oranges. Carol is to select one piece of fruit at random from each of the two baskets. What is the probability that one of the two pieces of fruit selected will be an apple and the other will be an orange?

      来源:OG21新题 268人已做 其他难度 89.2%正确率

    • 【问题求解PS】-18353 -OG21新题

      If the units digit of is 6, what is the value of k ?

      来源:OG21新题 277人已做 其他难度 75.1%正确率

    • 【问题求解PS】-18352 -OG21新题

      A certain state’s milk production was 980 million pounds in 2007 and 2.7 billion pounds in 2014. Approximately how many more million gallons of milk did the state produce in 2014 than in 2007 ? (1 billion = and 1 gallon = 8.6 pounds.)

      来源:OG21新题 308人已做 其他难度 76.6%正确率

    • 【问题求解PS】-18351 -OG21新题

      For all real numbers a, b, c, d, e, and f, the operation Θ is defined by the equation (a, b, c) Θ (d, e, f) = ad + be + cf. What is the value of (1,-2,3) Θ ?

      来源:OG21新题 310人已做 其他难度 94.5%正确率

    • 【问题求解PS】-18350 -OG21新题

      If z≠0,and ,then w=

      来源:OG21新题 307人已做 其他难度 96.4%正确率

    • 【问题求解PS】-18349 -OG21新题

      If the relations shown hold for the operation ⊕ and the numbers m, n, p, q, and r, then 【(m⊕ p)⊕ q】⊕ p=

      来源:OG21新题 303人已做 其他难度 94.1%正确率

最新讨论题目
  • 【阅读RC】

    According to the passage, the periodic behavior displayed by commuter diatoms under constant laboratory conditions is characterized by which of the following?

  • 【句子改错SC】

    Because 70 percent of the people of India use wood as their sole fuel, ten million acres of forest have been lost there since 1960, resulting in wood now costing eight times as much to collect and distribute than in 1960.

  • 【句子改错SC】

    In a blow to those who still harbored the illusion that E-mail exchanges are private, a watchdog group recently uncovered a trick for enabling an interloper to rig an E-mail message so that this person will be privy to any comments that a recipient had added as the message is forwarded to others or sent back and forth. 

  • 【句子改错SC】

    With near to all tortilla chips made from corn kernels that have been heated in a solution of calcium hydroxide (lime), this removes the skin of the kernel so water can penetrate.

  • 【句子改错SC】

    Many population studies have linked a high-salt diet to high rates of hypertension and shown that in societies where they consume little salt, their blood pressure typically does not rise with age.

  • 【句子改错SC】

    The cactus is now heavily plundered in deserts in the southwestern United States, so much that enforcement agencies in five states have created special squads for its protection.

  • 【数据充分DS】

    What is the remainder when the positive integer n is divided by the positive integer k, where k > 1 ?(1) n = (k + 1)^3(2) k = 5

  • 【问题求解PS】

    In a certain high school, 80 percent of the seniors are taking calculus, and 60 percent of the seniors who are taking calculus are also taking physics. If 10 percent of the seniors are taking neither calculus nor physics, what percent of the seniors are taking physics?

  • 【问题求解PS】

    The sides of a square region, measured to the nearest centimeter, are 6 centimeters long. The least possible value of the actual area of the square region is

  • 【问题求解PS】

    If k and n are positive integers such that n > k, then k ! + (n − k) · (k − 1)! is equivalent to which of the following?

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