of all the economically important plants，palms h**e been the least studied.
在所有的经济作物中，棕榈树得到的研究最少。
adv.在经济上；节约地。
①economically， the country is in a very healthy state.
这个国家经济状况良好。
②we live very economically.
我们生活得很节俭。
1）adj.重要的；重大的；有很大影响或权威的。
history chronicles important events of the past.
历史记载历代重要的事件。
2）significant，important，momentous辨析。
这些形容词均含“重要的，重大的”之意。
significant：指某事物由于特别优秀或特别有意义而显得重要与突出。
important：最普通用词，指有权威、有影响的人或值得注意的、有价值的事物。
momentous：指极其重要的。
1）n.手掌；棕榈。
he rubbed his palm across his forehead.
他用手掌揉了揉前额。
2）vt.把 ……藏于掌中；诓骗某人。
they can’t palm off that tale on us.
他们那套话骗不了我们。
better than，the last，the least用法比较。
1）know better than+不定式。这种结构意为”不至于”
she knows better than to go alone on such a night.
在这样的夜晚，她不至于连不宜单独外出也不知道。
2）more than…can.这种句型形式上是肯定，实际上有否定含义。
the beauty of the place is more than i can describe.
那地方美得无法形容。
3）用the last，the least等最高级形式表示强烈的否定意义。
he would be the last man to say such things.
他决不会说这样的话。
4）least of all 尤其不。
i don’t like rain or storms，and least of all thunder.
我不喜欢下雨和暴风雨，尤其不喜欢打雷。
— how about the concert last night？
— well， at least it‘s __the one i saw last time with joan.
worse than better than
as good as bad as
100句搞定高考7000词 80
marked by rapid change and growth，is movingintoanewera，aneraofextraordinarysophisticationandversatility，whichpromisestoreshapeourlivesandourworld.电视，这...
100句搞定高考7000词 46
according to anthropologists，the earliest ancestors of humans that stoodupright resembled chimpanzees facially，with sloping foreheads and protruding b...
100句搞定高考7000词解释 7
句子 when it is struck,a tuning fork produces an almost pure tone,retaining its pitch over a long period of time.音叉被敲击时，产生几乎纯质的音调，其音量经久不衰。解析 1 n.罢工，打击，殴...