#### 题目列表

$(4^13-4^13)\over{4^11}=$
If a =$(27)(3^{-2})$and x =$(6)(3^{-1})$, then which of the following is equivalent to$(12)(3^{-x})$ x $(15)(2^{-a})$?
Sandy has a husband and 2 children. She brings at least 1 member of her family to a diner for lunch every day. The diner offers 10 lunch specials. If no one orders the same thing, how many different orders can Sandys family make for lunch?

Indicate ALL possible values.

In the figure above, if ABCD is a rectangle, what is the sum of the marked angles?

_____degrees
If the probability of choosing 2 red marbles without replacement from a bag of only red and blue marbles is$\frac{3}{55}$and there are 3 red marbles in the bag, what is the total number of marbles in the bag?
All first-year students at Red State University must take calculus, English composition, or both. If half of the 2,400 first-year students at Red State University take calculus and half do not, and one-third of those who take calculus also take English composition, how many students take English composition?
If$\frac{15!}{3^m}$is an integer, what is the greatest possible value of m ?
Since a large number of the ores frequently located in riverbeds are (i)_____on the earths surface, where the processing of chemicals is less costly, recovery of underwater ores is not likely to become a (ii)_____procedure.
It would be (i)_____for our leaders, given their responsibilities as democratically elected officials, to neglect to do everything they could to (ii)_____an entirely (iii)_____problem.
Despite her mentors advice that she attempt to sound consistently _____, the graduate student often resorted to using slang when presenting significant parts of her thesis, her habitual speech patterns overriding her years of learning.
Although she felt Steve (i)_____the subtlety of the delicious stew recipe with his addition of the sweet potato, she thought the pungent onion (ii)_____the otherwise (iii)_____taste combination.
At first, a still-life painting can appear quite (i)_____, its focus on such everyday objects as flowers or fruits apparently uninspired. In the hands of (ii)_____painter, however, careful attention to slight shifts of color and texture can lead to a truly (iii)_____ and exemplary painting.
The leaders of Ukraines "Orange Revolution" were a study in contrasts. At the center of the political storm stood Viktor Yushchenko, his once-handsome face turned into a hideous, (i)_____mask by dioxin poisoning; but, at his side, no one could miss the (ii)_____Yulia Tymoshenko, soon to become the world`s only prime minister to adorn the covers of fashion magazines.
Although she was such a bad-mannered child that she was sent to a boarding school, as an adult she is the very model of _____.
Politicians sometimes appear to act in a manner that is almost _____; however, when all the information is released after the fact, it is apparent that they were acting according to a deliberate plan.
Forced to take an alternate road when a massive oil spill closed the highway, the two-hour detour made their already arduous trip even more _____.
Though many of her contemporaries found her odd, Ella Wilkins is now much admired for her _____spirit, especially her willingness to reject prevailing feminine roles and to travel to foreign lands alone.
Microfiber synthetics have been taking the place of natural fibers in an ever-increasing number of clothes because they provide the same durability and deplete fewer natural resources. A shirt made of microfiber synthetics is, however, three times as expensive to produce as a natural-fiber shirt. It follows that the substitution of microfiber synthetic clothes for natural-fiber clothes is, at this time, not recommended from a financial standpoint.

Which of the following statements, if true, most seriously weakens the argument?
R is a circle with radius 6.

#### Quantity A

The ratio of the circumference of R to the radius of R

6

#### Quantity A

$\frac{0.62}{0.124}$

#### Quantity B

$\frac{0.001}{0.0002}$

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