展开全部

题目列表

题目内容
Because the critic thought that the mark of great literature was grandiosity and elegance not to be found in common speech, writers seeking his approbation _____ the vernacular.
It is plausible to regard a collection of letters spanning youth and old age as (i)_____ of autobiography: the precession of characters who inhabit a life and a chronology of incidents turn up reliably in either form. Yet autobiography, even when ostensibly steeped in candor, tends toward (ii)_____ through later perspectives, afterwords, and second thoughts, whereas letters have an undeniable (iii)_____, offering select glimpses of the fought and living moment.
The (i)______ current-generation solar cells are (ii)______: although experimental cells have reached efficiencies greater than 40 percent, most commercially available cells in the early part of the twenty-first century still struggle to get past about 20 percent.
When it comes to arriving at brilliant ideas, filtering out distractions might well be _____: if a person's mind is wandering, that person tends to outperform peers in a range of tasks in which flashes of insight are important.
As astronomers do not yet have a good understanding of the fundamental nature of dark matter, it should not be a surprise that astronomy students' ideas about dark matter are, at best, ______.
Behavior dubbed reprehensible by the residents of the region is considered conventional, even ______ by those of the neighboring region; fortunately, people traveling between the two are resigned to this disparity.
In spite of being one of the world's biggest _____ of fossil fuels, the firm has made some environmentally responsible investments.
The discounted price of a certain suit is 20 percent less than the original price of the suit. If the discounted price of the suit plus a sales tax of 5 percent of the discounted price equals $67.20, what was the original price of the suit?


The thin rectangular sheet of metal shown in the figure is 8 inches wide and $$x$$ inches long. An open box is to be made by cutting a 2-inch square from each corner of the sheet of metal and then folding up the sides. If the volume of the box is to be 48 cubic inches, what is the value of $$x$$ ?
A bookcase has $$s$$ shelves with $$n$$ books on each shelf, where $$n$$ is a multiple of both $$s$$ and $$s-1$$. If all of the books on the highest shelf were removed and redistributed equally among the other shelves, which of the following represents the number of books that would be on each of the other shelves?
The width and the length of a rectangular piece of plywood are 4 feet and 8 feet, respectively. Along one edge of the plywood, a strip $$x$$ inches wide and 8 feet long is removed. Then, along an edge perpendicular to the 8-foot edge, a strip $$x$$ inches wide is removed. For what value of $$x$$ will the remaining rectangular piece have width and length in the ratio of 2 to 5? (1 foot = 12 inches)
$$\frac{60!-59!}{58!}=$$
The functions $$f$$ and $$g$$ are defined by $$f(x)=|2x+1|$$ and $$g(x)=3$$ for all numbers $$x$$. What is the least value of $$c$$ for which $$f(c)=g(c)$$?
The reciprocal of x - 2 is x +2.

Quantity A

x

Quantity B

3



The figure above represents a semicircular garden that is enclosed by $$20$$ feet of fencing and a straight garden wall. What is the area, in square feet, of the garden?
In a distribution of the values of the variable x, the 50th percentile is 48.5 and the 60th percentile is 56.5.

Quantity A

The 40th percentile of the distribution of the values of x

Quantity B

40.5


Quantity A

The greatest possible value of $$\frac{2}{x-y}$$, where 9≤ x ≤ 12 and -2 ≤ y ≤ 8

Quantity B

2


If $$-8 \leq h \leq 10$$ and $$h+m=-4$$, what is the least possible value of $$mh$$?

Quantity A

The units digit of $$4^{125}$$

Quantity B

4


Each employee in two separate groups of 15 employees, group I and group II, was given a job-performance rating. The standard deviation of the ratings for group I was 8.5 and the standard deviation for group II was also 8.5.

Quantity A

The standard deviation of the 30 ratingss

Quantity B

17


共收录:

25000 +道题目

236本备考书籍

最新提问