2018考研英語(yǔ)復(fù)習(xí)正在進(jìn)行中，***老師的每日一句每年都很受關(guān)注，在長(zhǎng)難句解析拆分句子的方法也講解得十分到位，新文道考研匯總了***2018考研英語(yǔ)每日一句，下面是***每日一句第86句。

傳統(tǒng)的生物學(xué)理論認(rèn)為(accepted dogma holds that)雖然人體的每個(gè)細(xì)胞都擁有獨(dú)立的DNA，但每個(gè)細(xì)胞核的基因指令是完全一致的(identical)。但是新的研究表明這種假設(shè)并不正確。實(shí)際上體細(xì)胞(somatic/nonsex cells)中存在若干個(gè)自發(fā)性變異(spontaneous mutation)來(lái)源，造成的結(jié)果是每個(gè)體細(xì)胞都包含眾多的基因組，這種現(xiàn)象被稱為體細(xì)胞鑲嵌性(somatic mosaicism)。有可信的依據(jù)表明(there are reasons to think)體細(xì)胞鑲嵌性在大腦中極為重要，因?yàn)樯窠?jīng)基因的表達(dá)非常活躍。這個(gè)新的基本生物假設(shè)將為解鎖包括孤獨(dú)癥在內(nèi)的精神疾病的基因秘密提供更有效的角度。

今天的句子：

There are several other places to look for the missing burden of risk, and one surprising possible source has recently emerged—an idea that overturns a fundamental tenet of biology and has many researchers excited about a completely new avenue of inquiry.

詞匯突破：

1.Burden of risk 風(fēng)險(xiǎn)負(fù)擔(dān)

2.Emerge 出現(xiàn)

3.Overturn 推翻

4.Tenet 信條;原則

5.Avenue of inquiry 調(diào)查途徑

并列句一：

確定主干：

1.There are several other places

切分成分：

1.to look for the missing burden of risk

有幾個(gè)其他地方可供尋找丟失的風(fēng)險(xiǎn)負(fù)擔(dān)，

并列句二：

確定主干：

1.one surprising possible source has recently emerged

切分成分+獨(dú)立成句：

an idea that overturns a fundamental tenet of biology and has many researchers excited about a completely new avenue of inquiry.

=This is an idea ;that=the idea

1.This idea overturns a fundamental tenet of biology

這個(gè)想法推翻了一條生物學(xué)基本原則

2.This idea has(使) many researchers excited about a completely new avenue of inquiry

這個(gè)想法令許多研究者因嶄新的調(diào)查途徑而激動(dòng)萬(wàn)分

參考譯文：有幾個(gè)其他地方可供尋找丟失的風(fēng)險(xiǎn)負(fù)擔(dān)，最近出現(xiàn)了一個(gè)可能令人驚訝的來(lái)源。這個(gè)想法推翻了一條生物學(xué)基本原則，令許多研究者因嶄新的調(diào)查途徑而激動(dòng)萬(wàn)分。

明天的句子：

One of the earliest findings, outlined in a paper to be published in the journal Alzheimer’s and Dementia, shows that those who were at higher risk were poorer at tests that measured ability to visualise their position. They also tended to have a small hippocampus, a region of the brain involved in navigation.

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