He sat down beside Christina, propping his feet up onthe railing, feeling the warmth of the sun against his face, able to relax forthe first time in days.句中，against可否换成on/upon, 二者使用在本句中，含义究竟有何差别？
...就可以在玛丽安表演时帮助她。”Mr Titterton is chairman of the Omega Ensemble but has been
the group’s official page turner forthe past four years. His job is to sit
beside the pianist and turn the pages of the score so the musician doesn’t have
to break the flow of sound by doing...
...kept watching a young
woman in a window seat with a little boy on her lap. The woman’s eye fell onthe man’s face, and she immediately looked down and adjusted her scarf.As
the night wore on, people began to close their eyes, but the seats were so uncomfortable
that only a very heavy sleeper cou...
...ls is developed through a process called ritualization. In this process, the purpose of a given behavior changes over time—a behavior that originally had a practical purpose develops into one that communicates a specific message. For example, a certain movement or physical feature might e...
...ad to be taken to her immediately; and Jane, who had only
been withheld by the fear of giving alarm orinconvenience, from expressing in
her note how much she longed for such a visit, was delighted at her entrance.
She was not equal, however, to much conversation, and when Miss Bingley left
them tog...
...问题句而言，what应该保留，这是因为动名词短语assigning these rankings to various usages的语义决定的，what 仅指代了主语的一部分rankings. 现在我们忽略这个语义，把句子主语再改一下：These rankings are much more helpful than what one finds in exist...
...有点偏了？How to Improve English WritingAs the most widely spoken language inthe world, the importance of English goes without saying. However, English writing, which require...
Directions： For each blank inthe following passage there are four words or phrases marked A, B, C and D. Fill in each blank with the word or phrase that best fits the context. It was a rainy morning and the children, mainly boys with various learning difficulties, refused to settle forthe s...
Bejing's climate is more or less unfit forthe growing of flowers. Freezing in winter, windy in spring, and either too dry or too often plagued by a sudden frost.老师好，后面几个形容词是省略了什么？
...、场所（或类似地点或场所的地方）的介词短语。如：
The dictionary is onthe desk. 词典在桌子上。
Nothing is inthe postbox. 信箱里什么也没有。
Her husband is inthe army. 她丈夫在服兵役。
My sister is inthe fifth grade. 我妹妹上五年级。
...
A：Mike, what do you know about writing a business plan?B：Plenty. What type of plan are you writing?A：Well, I have this great new idea that I think it will make a motza. B：Want to let me inonthe secret?如何理解在一个句中出现的两个介词（inon）的用法？
...spent several days in a small town and visited a number of old churches inthe vicinity. These attracted many visitors, forthey were not only of great architectural interest, but contained a large number of
beautifully preserved frescoes as well. Onthe day before our departure,
several bus loads o...
...且有很多看不懂的地方，望大家帮忙解答，谢谢！！After the arrival of hunter-gatherers inthe southwestern region of North America, several alternative types of agriculture emerged, all involving different solutions to the Southwest’s fundamental problem: how to obtai...