英文句子语法成分分析

英文句子语法成分分析
帮忙分析句子语法~
像这样:
Mr.Obama has championed the House measure,but until this week,his administration had refrained from saying whether it would formally offer specific emissions reduction targets at next month's United Nations summit in Denmark.
Mr.Obama has championed the House measure是这个句子的主干,句中but引导一个有转折意思的句子,whether表示“是否”,后面引导一个宾语从句.refrain from doing sth.是一个固定搭配,表示抑制、克制做某事.
需要分析的句子:
1.And the only reliable way to make their case is,surely,to conduct a proper study,with children randomly allocated to teachers who use computers and teachers who use other methods,including the cheapest of all:chalk and talk.
2.With someone to polish his shoes,make his bed and stoke the fire in his spacious rooms,Charles Darwin enjoyed the sort of pampered university life that today's debt-laden British students can only dream about.
3.Two hundred years after his birth,academics have uncovered new details of his comfortable existence at the University of Cambridge before he embarked on the grueling five-year voyage that would transform science's view of the world.
4.Darwin scholar Dr John van Wyhe,of the University of Cambridge,said little was known about the scientist's student life before his outgoings were found in the mainly hand-written ledgers detailing students' finances.
5.It is far from clear that the gas-efficient or gas-free cars the auto makers are promoting will lure consumers away from their large rides.
6.A report released Thursday by Boston Consulting Group cast doubt on the mass appeal of electric vehicles unless there is a major breakthrough in battery technology,which still costs too much to make such vehicles widely affordable.
7.For the technique to work,the patient must still have some functioning ganglion cells - nerve cells that transmit visual information from the retinal cells to the optic nerve - as well as a fully-functioning optic nerve.
8.At the beginning,it was like seeing assembled dots "now it's much more than that," says Terry Bryant,aged 58,who received the implant in 2002 after 13 years of blindness
9.If the trial is successful,the new device may be available commercially by 2009,priced around $30,000 - similar to a cochlear implant,Humayun says.
10.In light of all this,a sweltering public must have been convinced at last that it's time to do something to cool off the overheated planet,right?
11.More than $13 million has been spent on ads to block ratification of the treaty by the U.S.Senate.
12.Only last week,Clinton moved for Kyoto treaty changes that environmental groups see as industry-pleasing loopholes