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小弟解解看
In 1994(注意時間), a team of scientists led
by David Mckay(注意人物) began studying the
meteorite ALH84001(研究主旨-全文主軸,主旨題要對),(句子已經結束,後面只是補述) which had been
Line discovered in Antarctica in 1984.
(5) Two years later, the McKay team
announced(發表研究成果,要看清楚) that ALH84001, (廢話先跳過)which
scientists generally agree originated
on Mars, contained compelling(strong) evi-
dence that life once existed on Mars.(看完在回去看跳過的在講啥) (哈~居然考一題:大多數都同意)
(10) This evidence includes the discovery
of organic molecules in ALH84001,
the first ever found in Martian rock.(這裡可能考infer:之前都沒證據)
Organic molecules—(破折耗費話跳過)complex, carbon-
based compounds—form(重要動詞) the basis for
(15) Terrestrial life. The organic molecules
found in ALH84001 are polycyclic(poly開頭就是"多") aro-
matic hydrocarbons, or PAH’s(記這個就好). When
microbes die(開始解說成因-看到董為止,必考), their organic material
often decays into PAH’s.
(20) Skepticism(重要反對派出現-看清楚在反對啥,如何反對) about the McKay team’s
claim remains, however. For example,
ALH84001 has been on earth(動詞片語:出土發現) for
13,000 years, suggesting to some
scientists that its PAH’s might have
(25) resulted form terrestrial contamination(兩個字都要背:地表的污染-也就是反對者認為A裡的PAH這種東西是到地球後才加上去的,不是還?N有了).
However(語氣轉折意但因是研究者回應,因此仍為正向), McKay’s team has demon-
strated(可考如何回應:用舉証法) that the concentration of PAH’s
increases as one looks deeper into
ALH84001,(越深越多,不可能是地表污染)(後一句廢話重複-跳過) contrary to what one would
(30) expect from terrestrial contamination.
The skeptic’s strongest(最強的懷疑-看清楚會考) argument,(又出來亂)
however(廢話), is that processes unrelated
to organic life can easily produce all
the evidence found by McKay’ steam,
(35) including PAH’s(天哪有3行-不過就是講證據可偽造). For example(已知核心意義即可跳過), star
formation produces PAH’s. Moreover,
PAH’s frequently appear in other
meteorites, and no one attributes
their presence to life processes. (哈~輕鬆掃過四行)
(40) Yet McKay’s team notes(老大出來回應) that the
particular(關鍵字-這次發現的不一樣) combination of PAH’s
in ALH84001 is more similar to the
combinations produced by decaying
organisms(兩個字都要背-腐敗的生物) than to those originating
form nonbiological processes. (可考infer:有PAH不一定是生物)
看文章時就要知道結構,其實粉簡單,研究成果-質疑-回應-再質疑-再回應
GWD-3-Q5:
The passage asserts(表示) which of the following about the claim that ALH84001 originated on Mars?
A. It was initially proposed by the McKay team of scientists. (X,已經出土一萬三千年)
B. It is not a matter of widespread scientific dispute. (沒錯,可是不敢選-長的太不像了)
C. It has been questioned by some skeptics of the McKay team’s work. (沒有,只質疑是地表污染跟偽造)
D. It has been undermined by recent work on PAH’s. (沒有)
E. It is incompatible with the face that ALH84001 has been on Earth for 13,000 years. (沒有,為違背出土一萬三前年的事實)
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GWD-3-Q6:
The primary purpose of the passage is to
(看選項前心裡就要有主旨:討論研究發現的可信度)
A. describe new ways(新研究法-沒有,不用再看直接刪) of studying the possibility that life once existed on Mars
B. revise(沒有revise直接刪) a theory regarding the existence of life on Mars in light of new evidence
C. reconcile conflicting viewpoints(沒有conflict point也無從reconcile-刪) regarding the possibility that life once existed on Mars
D. evaluate(並沒有evaluate,只有陳述研究發現跟正反意見) a recently proposed argument concerning the origin of ALH84001
E. describe a controversy(有) concerning the significance of evidence(證據的顯著性就是可信度) from ALH84001
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GWD-3-Q7:
The passage suggests that (the fact that廢話不看) ALH84001 has been on earth for 13,000 years has been used by some scientists to support which of the following claims about ALH84001?(回文看一下一萬三千年再幹麻-若有take note則知備用來說可能是地表污染,不需回文)
A. ALH84001 may not have originated on Mars. (錯,大家都信)
B. ALH84001 contains PAH’s that are the result of nonbiological processes. (不是講無生物)
C. ALH84001 may not have contained PAH’s when it landed on Earth. (對)
D. The organic molecules found in ALH84001 are not PAH’s. (錯,是PAH但可能來自地表)
E. The organic molecules found in ALH84001 could not be the result of terrestrial contamination. (錯在not) |
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