毕老师，我有个问题： whether or not 在GMAT中算不算wordy?

the brain scans of volunteers pondering ethical dilemmas
老师，如果单纯看这个名词短语， pondering ethical dilemmas想要表达的逻辑主语是志愿者，但这里用的正确么

回复所有人：答案已更新。

serious crimes committed by local teenagers

The five specially ordered shipments sent out last week were sent out on Thursday

选a

可否再解释一下C选项，to do和be able to do 不是并列的关系么

增加一个角度，D中the rate of fatty foods的意思是‘’fatty food的价格‘’；E中the rate of people更是不知所云。总结就是，the rate of sth(具体物)和consume at a rate所表达的意思大不相同。

those是copy代词，ones是同一群人。

AB中的短线：it's not a hyphen, actually; it's a dash. hyphens are shorter, and are used within two-part words (such as "two-part").
in this context, the dash essentially serves the same purpose as a comma. the only difference is that you don't use dashes at random; you use them when there is some special emphasis or irony (or both) in what you're saying.

Funding construction with a system of tolls 收过路费。。。不认识单词真可怕哎。。

key: To increase our sales, therefore, our company plans to introduce innovative, eye-catching lines of clothing much more frequently.

我看到B院长还有一种解释，说is detectable 动作没有延续性，即不知道谁能察觉，这种解释对吗？

goal is: Consequently, the corporation plans to improve employee productivity by introducing new managerial techniques

条件1: 当x=0.8； y=0.8； z=1 的时候 条件一成立，但是题目不成立，所以不充分

four times as likely as和four times more likely than都是可以的，且含义相同。

A: be likely in doing需改为be likely to do

回复所有人：解析已更新。

If he is to ride 3 times and since he can choose any of the 3 cars each time, total number of ways is
= 3 * 3 * 3
= 27

Now the number of ways if he is to choose a different car each time is
= 3 * 2 * 1
= 6

So the probability is
= 6/27
= 2/9

be able to的主语似乎从来都不是物，只能是人。