The sporopollenin exine surface possesses phenolic, alkane, and carboxylic acid groups. Accordingly, sporopollenins would be a promising low-cost biosorbent for the removal of heavy metals from aquatic media.Although structures of sporopollenins from various lower and higher plant species have been ...
...段落：Like most of us, I try to be mindful of food that goes to waste. The
arugula (芝麻菜) was to make a
nice green salad, rounding out a roast chicken dinner. But I ended up working
late. Then friends called with a dinner invitation. I stuck the chicken inthe
freezer. But as days passed, th...
【A】"Joe doesn' t seem like the same person.".
【B】"__so much inthe war has made him more'thoughtful."
【选项】 A. To have seen .B. Having seen. C. His seeing D.For him to see .请问这道题如何选？
曹老师，我这么断句是否正确?The proportion of one kind of person or thing in a group is the number of people or things of that kind compared to the total number of people or things inthe group.of one kind of person or thing和in a group 同一层次修饰proportion of people or thi...
Reading letters from childhood friends often reminds me of the days we spent together collecting sea-shells on the beach and gathering wild fruit inthe woods.请问老师，正常语序是we spent the days together collecting sea-shells on the beach and gathering wild fruit inthe woods.但是句...
...为是短语，当然就更无法作前置定语），比如错误句子：The Chinese children having been raised inthe US can speak fluent English. 这句话可以改写成 The Chinese children who have been raised inthe US can speak fluent English. The Chinese children having been raised inthe...
Morocco, the Arab world’s oldest monarchy, will become the fourth Arab state in as many months to establish diplomatic relations with Israel (following the UAE, Bahrain and Sudan).这里的in as many 是指the fourth 吗，说的是四个月来第四个吗？
The overall result has been to make entrance to professional geological journals harder for amateurs, a result that has been reinforced by the widespread introduction of refereeing, first by national journals inthe 19th century and then by several local geological journals inthe 20th century.
请...
His father was a clerk inthe British Navy pay office—a respectable position，but with little social status.but作为并列连词，但形容词respectable和介词短语with…并列修饰名词position，那2个由but并列的部分不就隔了名词position吗？既然这样是否说明原句...
1. The narrator
shows no remorse for his actions, and instead focuses his attention on
concealing his crime, which he does
by carefully depositing the body behind the wall, taking every precaution to
prepare an identical plaster, and cleaning up his mess with the minutest care.2. The narrator’s
pr...
请教老师，这是一本词典中的例句：The two sisters differ widely in that the younger sister is a night person and the older a morning person.在我的记忆中，and若连接并列从句，第一个从句的that可以省略，第二个则不能省略，否则会和主句的主谓结构...
...了。还有一个说法，我提一下：Note that you always use foot as the plural in front of another noun.
For example, if a gap is twenty feet
wide, you refer to it as a 'twenty
foot gap'. You do not refer to it as a 'twenty feet gap’.a forty foot wall(Collins Cobuild English Usage第二版...
But despite breakneck growth inthe sector, industry insiders have warned that many of the new news kids on the block might struggle to stay afloat. 这句话中的 despite 是个介词，但是翻译成汉语感觉是个连词，类似这样的词还有哪些？
1、Perhaps a useful way of viewing the notion of personal growth would be to picture the very large and general term "education" as being all-embracing, including as subsets within it academic and nonacademic components.问题1：请教曹老师，would be 的表语是the very large and general te...