sat2013年6月阅读部分纯文本.doc

Since?nearly?every?deep-ocean?creature?is?equipped?with?special?organs?called?photophores?that?emit?light?via?chemical?reactions,?scientists?assume?bioluminescence?is?advantageous.?The?light?could?frighten?away?predators,?but?there?is?another?possibility.??Hiding?is?key?to?survival?in?this?predaceous?world,?but?it?is?tricky?to?hide?in?what?amounts?to?pure?open?space.?Smaller?creatures?can?get?away?with?being?transparent?while?opaque?eyes?are?a?problem?for?an?otherwise?transparent?large?squid.?Although?using?lights?to?hide?in?the?dark?seems?like?something?only?a?fool?would?try,?a?squid’s?photophores?emit?a?blue?glow?that?effectively?cancels?shadows?that?might?give?it?away.祁山故人?2015-11-9?13:21:47The?odd?relationship?between?Americans?and?their?food?is?one?of?the?main?themes?of?Laura?Shapiro’s?book?Something?from?the?Oven.?How?did?we?travel?from?the?fresh?food?our?ancestors?ate?to?the?endless?array?of?processed?junk?we?eat?today??Shapiro?picks?up?the?story?after?the?Second?World?War,?when?the?food?industry,?bursting?with?tricks?it?had?learned?for?feeding?soldiers?overseas,?was?eager?to?train?Americans?“to?develop?a?lasting?taste?for?meals?that?were?like?food?rations”?–?dried,?reconstituted,?indestructible.?The?offerings?included?dried?wines,?a?potato?snack?called?Tatonuts,?which?was?touted?as?“having?a?strong?resistence?to?weather?conditions,”?canned?hamburgers,?and??I?swear??frozen?concentrated?mineral?water.祁山故人?2015-11-9?13:22:40The?passage?below,?adapted?from?a?1986?novel,?is?set?in?a?North?African?desert?town.?Alu?Bose,?the?protagonist,?was?raised?in?India?by?his?uncle?Balaram,?who?greatly?admired?the?French?scientist?Louis?Pasteur?and?scientific?rationalism.?Alu?is?in?the?home?of?a?new?acquaintance?–?Mrs.?Verma,?a?microbiologist?–?and?is?looking?at?her?bookcase.?And?then?Alu?saw?it.?It?bore?no?outward?clue?to?its?identity?for?it?was?wrapped?in?a?cover?like?the?others.?Yet,?the?moment?he?looked?at?it,?he?knew.?He?tried?to?control?himself,?tried?to?say