请问给位老师:Sex determination in fish is a very flexible process with respect to evolutionary patterns observed among genera and families, and withinindividuals is subject to modification by external factors.句中 and 部分和前面的哪一部分并列?我在阅读时碰到较为复...
Zhai Min, 24, a software engineer at Kingdee International Software Group in Shenzhen, found that 3 elderly workers liked to complain about everything, from extended working hours to cheap hotels on business trips.老师,这里的extended, 怎么是ed的形式,from是介词,难道是形容词...
Excuse
me for being late. 请原谅我迟到了。Excuse
me breaking in, but l have some news for you. 请原谅我打断你,我有些消息要告诉你。第一个句子有for,表示原因,这比较好理解。但为什么第二句就没有for了呢?是漏掉了吗?顺便请问:“原...
... Gutman admits that forced separation by sale was frequent,he shows that the slaves’preference,revealed most clearly on plantations where sale was infrequent,was very much for stable monogamy.请问老师,revealed most clearly on plantations where sale was infrequent,书上说这句是...
例: The child doesn't appear to be learning quickly.1。不定式不应该表示还没发生的事情吗? 为什么和进行时态的be learning搭配呢?2。如果这个句子否定 not to be learning 而不是 doesn't appear ,意思一样吗?