【考研英语】2021年7月黑龙江大学研究生招生考试英语练习题100道（附答案解析）.pdf

【考研英语】2021年7月黑龙江大学研究生

招生考试英语练习题100道（附答案解析）

第1题【单选题】

Doctorsbelievethatsecondhandsmokemaycauselungcancerinpeople

whodonotsmokebecausenonsmokersoftenbreatheinthesmoke

fromotherpeoplescigarettes..TheUSEnvironmental

ProtectionAgencyreportsthatabout3,000peopledieintheUnited

Stateseachyearasaresultofexposuretosecondhandsmoke.

A、Theriskisevenhigherforchildrenwholiveinhomeswhereboth

parentssmoke.

BIntheUnitedStates,ninemillionchildrenundertheageoffivelive

inhomeswithatleastonesmoker.

C^Thissmokeiscalledsecondhandsmoke.

D^NooneknowsforsurewhyMr.Gilsonhaslungcancer.

【确答案】C

【答案解析】答案选C.前一句提到，不吸烟者时常吸入他

人香烟中冒出的烟，接下来应首选对此烟加以定义的句子。

第2题【单选题】

-Thegardenhasfourgatesindifferentdirections,soyoumayenterit

andrelaxthroughoftheminthedaytime.—Veryconvenient.

A、none

either

C、all

D、any

【确答案】D

【答案解析】三者或三者以上任何一个用any0

第3题【单选题】

Somewherearoundpuberty(发育；青春期)，somethinghappensinthe

timingofthebiologicalclock.(2)Theclockpushesforward,so

adolescentsandteenagersareunabletofallasleepasearlyastheyused

to.Whenyourmothertellsyouitstimeforbed,yourbodymaybe

pushingyoutostayupforseveralhoursmore.Andthelightcomingfrom

yourcomputerscreenorTVcouldbepushingyoutostayupeven

later.Whatisimpliedinthesecondparagraph?

A、Youngchildrensbiologicalclockhasthesamerhythmwiththatof

theteenagers.

B、Peopleafterpubertybegintogotobedearlierduetothechange

ofthebiologicalclock