It is important forthe government to tighten regulation on some behaviour,especially those which have been proven to be damaging to health.句中为什么用to be damaging to health这种形式?damaging是形容词吗？
...eryton was necessary to amuse their morning hours and furnish conversation forthe evening.每逢没有更好的事情可做，就必定往梅里顿跑一趟，这样早晨可以消遣消遣，也为傍晚的闲聊搜刮一点谈资。better offered为过去分词作后置定语，我想问老师这...
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。
Forthe better part of a century, most biologists have been reluctant
to use those words, mindful of a principle of evolution that says ‘evolution
cannot run backwards’.mindful of...是什么结构？书上说这是独立主格结构，我不太明白......
...seed是名词还是动词？上下文：
China has gained recognition for its pioneer work on true potato seed. The
history of true potato seed (TPS) in China dates back to 1959 when
research was started. Now in china an area of 2500 acres is sown to seed.
...my! My car broke down, and I have to meet my aunt at the railway station before noon. M: You’re lucky. I can drop you off on my way. 2. What will the man do forthe woman? A. Repair her car. B. Give her a ride. C. Pick up her aunt.
...ides and fertilizers produces cheap grain
and vegetables. The price we pay for cheap food may be already too high: Mad
Cow Disease (BSE) in cattle, salmonella in chicken and eggs, and listeria in
dairy products. And if you think you'll abandon meat and become a vegetarian, you have the choice of ver...
...f children learning to read
at home or at school, with the book as a focus for relations between the
generations. Adults are portrayed (描绘) alone
in many settings and poses —absorbed in a volume, deep in thought or lost in a
moment of leisure. These scenes may have been painted hundreds of yea...
Treatments for animals developed using animal testing include pacemakers for heart disease and hip dysplasia. animals后面为什么既有过去分词又有现在分词？过去分词和现在分词可以同时出现修饰一个单词吗?还有别的例子吗
...han 2000 years. …Gradually the lion dance has developed into a custom performed at the Lantern Festival and other festive occasions through which people could pray for good luck, safety and happiness. 请问专家老师：(1) of more than 的 of 表示什么意思？(2) through which 的 which 指...
...naged to make some conversation till tea was brought in. The Colonel asked for a whisky-and-soda."You'd better have one too, Amy," he said."No; I prefer tea."This was the first suggestion that anything untoward had happened. 为什么上面最后一句:肯定句中却使用了anything ？为什么...