资料上有这样的正误句子:他有必要参加这次会议。误:He is necessary to attend the meeting.正:It is necessary for him to attend the meeting.原因是:necessary 这个形容词不能用“人”作主语。请问老师,这个解释有道理吗?
A highly sensitive method for the detection of trace amount of poisonous susbstances in milk and meat products is to be popularized in a country embarrassed by the scandals of clenbuterol and melamine contamination in food.请问"tace amount"前面为什么可以不加不定冠词"a&q...
请问此句中的one 是什么用法? 指代什么?Like most people, you no doubt want a secure future for yourself and your family — one of happiness, good health, peace, and prosperity.
... of new millionaires, Asia’s biggest building, and fancy new hotels. But for tourists like me, pandas are its top ___61___ (attract).请教您这里的 attraction 为什么不是复数呢?前面是 pandas are 后边等同也该用复数啊!多谢您的指点。