2025届高三英语一轮复习：VOA话题禽流感在美爆发七选五专项练习（含答案）.docxVIP

Passage1:TheBirdFluOutbreakintheUS

ThebirdfluoutbreakhasbecomeasignificantconcernintheUnitedStates.Californiasdeclarationofastateofemergencysignalstheseverityofthesituation.①_.Thisvirus,knownasTypeAH5N1,hasspreadwidelyamongvariousspecies.

Thespreadofthebirdfluisnotlimitedtobirds.IthasalsoaffectedmilkcowsinCaliforniaandcausedillnessesinpeopleinotherstates.②_.SinceitsidentificationinU.S.milkcowsinMarch,ithasbeendetectedinaboutone-thirdofU.S.states.

Mostoftheillnessesrelatedtothebirdfluhavebeenmild.However,aseverecasewasreportedinLouisiana.③_.Theperson,whoisover65andhasotherhealthproblems,showedseverebreathingproblemsafterbeingnearsickbirds.

TheCDCemphasizesthatthepublichasalowriskofgettingthevirus.Thereisnoevidenceofperson-to-personinfection.④_.Someexpertsworrythatfluvirusescontinuousmutationcouldchangethesituation.

Peopleincontactwithdairycows,commercialpoultry,orbackyardbirdsareathigherrisk.⑤_.Also,theH5N1viruscanbepresentinrawmilk,soavoidingrawmilkiscrucial.

A.Thevirushasspreadamongwildbirds,farmbirds,andmanymammals.

B.Thestatetookthissteptoenablequickeractionbystateworkers.

C.Butthesituationmightchangeasvirusesareconstantlymutating.

D.ThisisthefirstconfirmedcaseconnectedwithbackyardbirdsintheU.S.

E.Thevirusisonlydangeroustocertainspecies.

F.Theyshouldusebreathing,eye,andhandprotection.

G.Thenumberofcasesisdecreasingrapidly.

答案

B

解析：前文提到加州宣布进入紧急状态，B选项“该州采取这一步骤是为了让州工作人员能够更快采取行动”，解释了宣布紧急状态的目的，与前文紧密相连。

A

解析：上文说禽流感传播不限于鸟类，还影响奶牛和人类，A选项“该病毒已在野生鸟类、农场鸟类和许多哺乳动物中传播”，进一步说明病毒传播范围，符合语境。

D

解析：前文提及路易斯安那州出现严重病例，D选项“这是美国首例与后院鸟类有关的确诊病例”，与后文对该病例的描述相呼应。

C

解析：前文表明公众感染风险低且无人际传播证据，后文提到专家担心病毒变异改变情况，C选项“但随着病毒不断变异，情况可能会改变”，起到承上启下的作用。

F

解析：前文指出与特定动物接触的人风险更高，F选项“他们应该使用呼吸、眼睛和手部防护措施”，给出了相应的防护建议，符合逻辑。

Passage2:U