To give us an idea of how large the rafflesia is, the author uses ______.

A． the size of an elephant for comparison

B． measurements

C． comparisons to other flowers

D． detailed descriptions of the flower's stem

[单选题]The main idea of Paragraph Four shows us ______.A． some examples of shoot in US schoolsB． the American's feelingC． some famous schoolsD． that some teachers were killed by students

[试题]G．ive an example of how you worked effectively with people to accomplish an important result.举例证明你可以和他人合作，共同实现一个重要目标。

[单选题]The main idea of paragraph 4 shows us______.A． some examples of shooting in the US schools.B． the American's feeling.C． some famous schools.D． that some teachers were killed by students.

[问答题]()Give us a few more minutes to decide.

[问答题]Give us a few more minutes to decide.

[单选题]We（）if you could give us whatever information you can in this respect.A . should appreciateB . appreciateC . appreciate itD . should appreciate it

[问答题]Please give us an introduction about yourself.

[问答题]()How long will it take us to get there?

[试题]Let us now see how randomization is done when a collision occurs.After a(71),time is divided into discrete slots whose length is equal to the worst-case round-trip propagation time on the ether(2τ). To accommodate the longest path allowed by Ethernet,

[单选题]It shocks us that a large percentage of middle school students ____________