4分19秒

相关因果

正确答案是C

错选A 太坑了

有没有付费网课？深圳的同学没法去上海听课啊！

方案推理

方案推理

in fact和possible矛盾

感觉这种通过发现得出的结论都会做主句吧，毕竟那么重要，做陪衬多不好

simply修饰are

the first time to

好像有种搭配是gear toward，gear to貌似还没有得到验证，如果有人看到official used version, plz correct me,thx

错选a,他并没有支持technological change，只是说technology很重要

Ron的做法：由固定搭配 be projected to和be estimated to可以排除其他选项，再者cost to 和 cost of都是正确的，但是当两者在一起出现修饰同一个cost时，习惯用法是cost to xxx of xxx

D为什么不正确？

prohibit sth; prohibit from doing; prohibit sb from doing

"with the intention of" 与 “intended"的区别
"With the intention of" can only describe people and/or other entities that can legitimately have "intentions" (corporations, governments, etc.) unless in some contexts, geographical names are used to refer to governments, which can have intentions.

B的逻辑主语有误，mark一下。

第一个条件得到ay>bx;
第二个条件得到a+b>x+y;
分析：要同时满足上述条件，则当bx; 当b>y,有a>x

1) C + 1 = T (Insufficient)
2) 2/6 C = 3/10 T --> 20/18 = T/C --> 10/9 = T/C (Insufficient)
C) 10/9 = C+1/C --> 10C = 9C + 9 --> C = 9 (Sufficient)