老师这个问题还没有解答
As引导的句子问题: 第一个句子as...as...是表示链接的内容程度一样吗,翻译起来感觉不太顺。the circumstances翻译成了这些规律和原则,哪些规律和原则?指代的是什么?此外with引导的是伴随状语?那as...as...作什么成分呢 第二个句子insofar查了是adv.在这个范围;到这个程度的意思。insofar as引导的是什么?insofar as the literature analysis is concerned怎么理解呢 第三个句子,四个as...第一个as意思是作为,第二个as意思也是作为?generally accepted as a race in any given region of ethnic competition怎么理解?第三和第四个as,表示和。。。一样,并列的是哪两个部分,什么和什么一样呢,后面the Chinese in California and the Jew in medieval Europe省略了什么
GMAT数学(博智教材)第62页:If X is equal to the sum of the even integers from 40 to 60, inclusive, and y is the number of even integers from 40 to 60, inclusive, what is the value of x+y?
X=40+42+44......60=550
Y=(60-40)/2+1=11, 答案应该是561,为什么书后面的答案显示是560?
DS:5个数中 median 小于 average ;另外7个数也median 小于 average,然后这12个数没有重复的,12个数放在一个数集里面,问是不是median 小于average?
条件1:7个的average 小于 5个的average
条件2:7个的median 小于 5个的 median
题目:of the 200 students at college T majoring in one or more of the sciences, 130 are majoring in chemistry and 150 majoring in biology. If at least 30 of the students are not majoring in either chemistry or biology, then the number students majoring in both biology and chemistry could be any number from
a) 20 to 50
b) 40 to 70
c) 50 to 130
d) 110 to 130
e) 110 to 150
问题:这道题能理解到是用集合的知识点,但是无论怎么做都无法突破,得到最后结果。还请老师讲解。谢谢