...rphic. "polymorphic" means______
ability to take different forms. 答案给的是 the，请问此处为什么不能填 an。前文也并没有出现 ability。一般来说语法填空里填定冠词都是前文有出现同样词的，如果填不定冠词，一般是前文没有出现过同样的词...
China had nearly 28.6 million people with
vision loss by the end of last year,
according to data from the National Bureau of Statistics. At least 8 million
are completely sightless, according to the China Association of Persons with
Visual Disabilities.常见过去完成时，而在阅读报纸时...
At one time the Asiatic lion was living as far west as Greece and they were found from there, in a band that spread east through various countries of the Middle East, all the way to India.老师想问一下这个句子的蓝色的意思是：亚洲狮子生活范围在往西一直远至希腊， 还...
...t happened
that eliminated so many species in a
relatively short period of time, but there are several possible
explanations.还有之前讨论过的句子：2)
What is going on here that is so important to where Florida
needed to steal this land from Alabama?麻烦提供一下先行词 what 此种...
...？27. have got an appointment with
miss Smith.这个with miss smith是定语还是状语？我感觉都合适啊。28. Without passion, people won't have the
motivation or the joy necessary for creating thinking.其中necessary是宾补吗，for creating
thinking是修饰necessary还是motivation...
each other’s 后接名词是用单数还是用复数。比如：
是 each other’s school 还是 each other’s schools?
是 each other’s room 还是 each other’s rooms？
还有，如果是 one anther’s 呢？后接名词用单数还是复数，比如：
...
...样努力学习。2. He likes chess most and spends most of his spare time playing chess. 他最喜欢象棋，把大部分业余时间都用来下棋。3. At least your dog is not the least of all.至少你的狗不所有狗中最小的。4. He broke a glass during the break.他在...
...n that the lodestone possessed magnetic properties and that amber and jet, when rubbed, would attract bits of paper or other substances of small specific gravity.