问一下,为什么用to比用that好.
isplays of the aurora borealis, or"northern lights,"can heat the atmosphere over the arctic enough to affect the trajectories of ballistic missiles,induce electric currents that can cause balckouts in some areas and corrosion in north-south pipelines.
不知道解释的对不对?是不是形容词都这么用，be adj. + to do ，我记得有og-26中有一个be difficult to do.
是不是形容词都这么用，be adj. + to do ，我记得有og-26中有一个be difficult to do.
没错
还是不太明白为什么不选A, 是根据induce前面没有and来判断吗？但从og37中可以得出结论：并列成分可以不用and连接。此题为什么非要加一个and呢？请NN指教！
og37：
While some academicians believe that business ethics should be integrated into every business course, others say that students will take ethics seriously only if it would be taught as a separately required course.
(A) only if it would be taught as a separately required course
(B) only if it is taught as a separate, required course （B)
(C) if it is taught only as a course required separately
(D) if it was taught only as a separate and required course
(E) if it would only be taught as a required course, separately
OG47 中 and 不可省，要不然一句话里就有两个动词了。OG37是句型"y will happen if x happens"。并不是并列句型
isplays of the aurora borealis, or"northern lights,"can heat the atmosphere over the arctic enough to affect the trajectories of ballistic missiles,induce electric currents that can cause balckouts in some areas and corrosion in north-south pipelines.1. displays...can heat...enough to affect, induce... (induce 与heat 并列）
2. displays...can heat...enough to affect, and induce (induce 与 heat并列）
3. displays...can heat...enough to affect and induce (induce 与 affect并列）
根据逻辑意思判断，induce应该与affect并列，选E
这两天重点看了一下比较或平行对象是介词结构的题，发现省略不省略介词的都有！如这一题省略了to，而更多的题没有省略介词。为什么？？
如54. Galileo was convinced that natural phenomena, as manifestations of the laws of physics, would appear the same to someone on the deck of a ship moving smoothly and uniformly through the water as a person standing on land.
(A) water as a
(B) water as to a
(C) water; just as it would to a
(D) water, as it would to the
(E) water; just as to the
答案是B，没有省略to.
又如
79. George Sand (Aurore Lucile Dupin) was one of the first European writers to consider the rural poor to be legitimate subjects for literature and portray these with sympathy and respect in her novels.
答案是E也没有省略。
怎么省略介词有规律吗？
enough to v.(affect...) and v.(induce)
考的是并列，看见出现的动宾搭配多了，就应该想想是不是要考并列了。
愚见！
1. displays...can heat...enough to affect, induce... (induce 与heat 并列）
2. displays...can heat...enough to affect, and induce (induce 与 heat并列）
3. displays...can heat...enough to affect and induce (induce 与 affect并列）
根据逻辑意思判断，induce应该与affect并列，选E
b选项中,og说B produces an illogical and ungrammatical statement by making induce parallel with the verb heat rather than with the appropriate form of the verb affect;
为什么在,的后面用动词原型就是与heat平行?
逗号可以表并列?类似于separate,required course 就是og37的那题?
Displays ... can heat...enough to X and Y
enough to是表结果的集中用法之一，如so...that, such...that, so as to, enough to，我记得LZM提到enough to表达的是一种主观，so as to用于简单的系表结构
不知道清楚否？
请教一下……OG解释说to在这里作介词 可是为什么介词之后还用动词原型affect和induce呢？
顶~
同问，induce为什么不是和heat平行？？
顶~
同问，induce为什么不是和heat平行？？
根据逻辑意思判断，induce应该与affect并列
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