比如以下例句：计算机处理能力的实际成本下降了30%30% decrease in the actual cost of the computer porcessing capcity .这里为什么用in？政府对一些产品实行了出口管控the government imposed export restraints on some products.这里为什么不是in?
He was saved by Dorothy in a great field, and joined Dorothy to go to
the Wizard in search of brains.这句中加粗的地方为什么用介词 in，一般表目的不都是用 for 的吗？麻烦高手给指点一下，不胜感激。
In the shadow of the local Communist Party village
office—“Obey the Party, Follow the Party,” implores a slogan hanging over one
basket—amateur ballers sweat it out in the open air before a packed house of
some 20,000 spectators, many dressed in the distinctive traditional dress of
southwest...
...Never give up on the good times! Just ask the residents of the Palace Nursing & Rehab Center in Miami, Florida, who recently got their very own “senior prom.”And some happy seniors _________to take a trip down memory lane.A.hestitated B.promised C. thrilled &nb...
Caught in the web of its own time and place, each generation of historians determines anew what is significant for it in the past.句子中的caught in the web是什么意思？求解释!
With no rain for three months and food supplies _____ ,the situation here is getting desperate.A.run out B.has run out C.be runing out D.runing out 答案为 D。请问 A 为何不行？分析一下 food supplies 与 run out 之间...
老师好！图片中的下划线句子There is the gift of understanding or the gift of a
quiet day，学生理解是在用gift词汇写两个具体词组：1.gift of understanding--- 天赋悟性（高）；2.gift of a quiet day ----- 天赐宁静的（好）日子请老师指导，学生怎样准...
老师好，我无意之中看到一个人的汉译英的句子翻译：“黄金周是指连续7天的全国性假日”。译文：The golden week is a
national holiday for 7 days on end.这里的for seven days 可以这么用吗？如果加个定语从句 The golden week is a
national holiday whi...
I was surprised
that you should have finished it.在这种结构中，should是否不能把他当成是should do推定式用法替代be型虚拟？我记得be型虚拟用should do替代没有should have done这种形式？如:I insisted that you should
finish it? 那么这里的should是表推测的...
1. 请问下面这个句子中的分号是表示转折吗？Everyone faces changes; different ones at different times. We all handle the same challenges differently; we all have different results.2. 能说一下分号的用法吗？谢谢！
Once there was a boy who found a penguinat his door.The penguin looked sad and the boy thought it ___ be lost. 参考答案给的是may, 我觉得不合适. 我觉得应该是might have been lost,盼望专家老师给予我权威的解析及判定。谢谢您。