"Good air" days are those when the daily concentration of PM2.5-airborne particles of 2.5 microns in diameter or smaller that are harmful to health-is below 75 micrograms per cubic meter, while "severely polluted" is higher than 150 mcg per cum这句when the daily concentration o...
...是正确的？ 3. 新闻原句:The games industry has long claimed there is no proven link between games and addiction. 课本对此句提出的疑问句是：Q3： What’s the games industry claimed ?请问疑问句中可以用has的缩写？非常感谢！！！
...。语气较自然，适用于日常交流或正式场合。例句：If I won the lottery, I would travel around the world.（如果我中了彩票，我会环游世界。）——暗示我中奖的可能性很小。If she were here tomorrow, she would help us.（如果她明天在这里，她会帮...
Little room was left for the cat to play on the ground.曹老师你好！我想请教一下，这里的for the cat to play on the ground是看作什么成分呢？可以看作一个带逻辑主语的不定式（不定式复合结构）做目的状语嘛？还原成主动语态：We leave little room...
Now,
dressed in a blue uniform and with a rifle over his shoulder, the prisoner
marched boldly up and down in front of the camp. He could hear shouting in the
camp itself. ...Then,
jumping into the car, he drove off as quickly as he could.请教专家：这里的itself指的是什么，是什么用...
...est food you have ever had?--Sichuan hotpot, of course. I ____ my mouth is on fire.A feel like B felt like C have felt D will feel like如果选B，是不是应该把is on fire 改为was on fire呢？辛苦专家老师解惑，十分感谢。
My time was my own after the afternoon board, Saturdays, and I was accustomed to putting it in on a little sail-boat on the bay. 每个星期六下午股市收盘后，时间就全部属于我自己了，我喜欢乘着小船到海湾里去消磨时光。老师，我的疑问是后半句in和on两...
Its hero avoids being civilized—going to school and learning to read—so he can preserve his innate goodness.参考译文：书中的主人公逃避上学读书之类的教化，因此保持住自已天生的善良。请问老师，avoid是谓语动词，后面的being civilized为什么要...
The researchers believe that this was to seem honest with the
assumptionbeing that others would be suspicious of a high expense claim.请问老师，the assumption作with的介宾，名词从句that others would
be suspicious of a high expense claim作宾补，中间为何要加being呢？
...p;a staid life in Iowa, where ambitions are as modest as the plains are flat.本句中as modest as 是个比较级结构，后面直接跟句子the plains are flat.请问这里是不是语法错误呢？请老师指...
...s for two other reasons, lack of
physical and mental energy, both of which are essential in turning out and
throwing away, and sentiment. Things owned for a long time are full
associations with the past, perhaps with relatives who are dead, and so they
gradually acquire a value beyond
their true wor...