1.Students who have done their research and are confident that there's one school they would be thrilled to get into should, under the current system, probably apply under early decision.

句的剖析?

句子主干：Students…should…apply…

成分分析：

①who have done their research and are confident that there's one school they would be thrilled to get into為定語從句，修飾主語Students。

②…are confident that 是that引導(dǎo)的賓語從句。

③介詞短語under early decision作狀語。

詞的講解?

thrilled? adj.非常激動(dòng)的，興奮的

system? n.? 系統(tǒng)；體制

句的翻譯?

已經(jīng)做過研究并確信自己若被錄取到某所學(xué)校會(huì)特別激動(dòng)的學(xué)生，在目前的體制下，很可能會(huì)申請(qǐng)?zhí)崆颁浫　?/p>

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2.Most of all, though, I wish a tenth ofthe energy that’s spent endlessly debating GM crops was focused on those more pressing challenges for global agriculture.

句的剖析?

句子主干：I wish…

成分分析：

①a tenth…global agriculture 是省略that的賓語從句。

②從句的主干是the energy was focused on challenges。

③that’s spent endlessly debating GM crops是that引導(dǎo)的定語從句，先行詞是energy。

④介詞短語for global agriculture作challenges的定語。

詞的講解?

pressing?? adj. 迫切的，緊迫的

agriculture? n. 農(nóng)業(yè)

句的翻譯?

但是最重要的是，我希望人們能拿出花在無休止討論轉(zhuǎn)基因農(nóng)作物上時(shí)間的十分之一來關(guān)注一下全球農(nóng)業(yè)面臨的更緊迫的挑戰(zhàn)。

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3.The 2004 Commercial Space Launch Amendments Act, intended to encourage private space vehicles and services, prohibits the transportation secretary（and thereby the FAA）from regulating the design or operation of private spacecraft, unless they have resulted in a serious or fatal injury to crew or passengers.

句的剖析?

句子主干：The 2004 Commercial Space Launch Amendments Act…prohibits…

成分分析：

①intended to encourage private space vehicles and services是過去分詞短語作后置定語，修飾句子的主語The 2004 Commercial Space Launch Amendments Act

②主句的謂語部分是prohibit sb./sth. from doing結(jié)構(gòu)

③unless引導(dǎo)的是條件狀語從句

詞的講解?

intend??? v. 計(jì)劃，打算，想要

prohibit?? v. 禁止

regulate?? v. 控制，管理；調(diào)節(jié)，調(diào)整[機(jī)器]

fatal????? adj. 致命的

句的翻譯?

2004版《商業(yè)太空發(fā)射修正法》旨在鼓勵(lì)私人太空航天器和服務(wù)的發(fā)展，禁止交通部長(zhǎng)（以及聯(lián)邦航空局）管理私人航天器的設(shè)計(jì)或操作，除非他們對(duì)機(jī)組人員或乘客造成了嚴(yán)重或致命的傷害。