展开全部

题目列表

题目内容
It can be inferred from the passage that "the atlatl's low accuracy and long reloading times" were
The author mentions"maize(Zea moys)" primanily in order to
The passage suggests which of the following about organisms that parasitize the larvae of H.electelhum?
The passage implies that the "ingredients"
The author of the passage mentions "Americans who first encountered the cuisine in the North or the West" primarily to
The primary purpose of the passage is to
According to the passage, the "receptors of unparasitized controls"
Which of the following can be inferred about the work published by Singer and colleagues in 2009?
k > 2

Quantity A

$$1+\frac{2}{k}+\frac{3}{k^2}$$

Quantity B

3


x > 0 and y < 0

Quantity A

x+y

Quantity B

x-y


r > 0

Quantity A

$$\frac{r}{r^2+1}$$

Quantity B

$$\frac{1}{r}$$


Set H consists of all the positive factors of 90. Set F consists of all the multiples of 5 that are between 1 and 99.

Quantity A

The number of integers in the set H ∩ F

Quantity B

6


k is a positive integer.

Quantity A

The number of prime numbers from k to k+10

Quantity B

The number of prime numbers from k+10 to k+20


The circumferences of the three concentric circles P, Q, and R are 3π, 5π, and 6π, respectively.

Quantity A

The area of the region between P and Q

Quantity B

The area of the region between Q and R


Quantity A

The area of a right triangle with hpotenuse of length $$c$$ and a leg of length $$a$$

Quantity B

The area of a right triangle with hpotenuse of length $$c$$ and a leg of length $$2a$$


At a local movie theater, a family consisting of 2 adults and 4 children are going to sit in a row of 6 seats such that one person will sit in each seat. One adult will sit at each end of the row, with each child in a seat between the adults. How many different seating arrangements are possible for the family?

共收录:

25000 +道题目

247本备考书籍

最新提问