老师,您好!请教一个问题:It's reported that PM2.5 pollution is the main problem ( ) air pollution
today.A.in B.with C.of答案选B.with 我的疑问是:此题为什么不可以选A.in 或 C.of 呢?具体的原因是...
...ames includes a parade of all the national teams through the main stadium. It also includes the end of the torch relay, which begins when the torch is lit in Olympia, Greece, several weeks or months before the games and is carried from there to the host city by a series of runners. The last runner l...
MALE PROFESSOR: A major problem is that gas giants like Jupiter and Saturn would take too long to form through core accretion.Core accretion would take several million years.MALE PROFESSOR: But observations of other star systems indicate that a disk's gas disappears more quickly than t...
1.
查阅了几部外版主流词典,没查到It is foolish for sb to
do sth,倒是有It is foolish to do sth。如果按照不定式作外位主语来解释,加上不定式的逻辑主语来构成不定式复合结构for sb to do应该是对的,但是,没查到具体实例。2.
there和ar...
...s simply an example of the economics of information and greed. And indeed it is, if by greed one means the effort to earn a profit by providing what people are willing to pay for, even if what they want is information rather than a tangible product.条件状语从句怎么成分分析?怎么翻...