Among humans, the effects of aging vary from one individual to another. The average life ______ for Americans is around 75 years

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问题 Among humans, the effects of aging vary from one individual to another. The average life ______ for Americans is around 75 years, almost twice what it was in the early 1900s.

选项 A、spectrum
B、expectation
C、expectancy
D、width

答案C

解析 (expectancy预期)。句意为：在人群中；衰老的影响因人而异。美国人的平均预期寿命大约是75岁，差不多是20世纪初期的两倍。A．spectrum光谱；B．expectation期望，期待；D．width广阔。

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Among humans, the effects of aging vary from one individual to another. The average life ______ for Americans is around 75 years

考博英语

Mygrandmotherhasbeenillfortwomonths,soherhealthhas______.

Althoughtheeconomyseemed,afterafewtensemonths,to______thestormwithoutseriouslong-termdamage,thebankswerehit

Thereisnodenyingthatstudentsshouldlearnsomethingabouthowcomputerswork,justasweexpectthematleasttounderstand

It’softenamistaketo______appearance;thatpoor-lookingindividualisanythingbutpoor.Infact,heisamillionaire.

Linguistshaveunderstoodfordecadesthatlanguageandthoughtarecloselyrelated.Humansconstructrealityusingthoughtand

Whenherealizedhehadbeen______tosignthecontractbyintrigue,hethreatenedtostartlegalproceedingstocanceltheagr

WhenJackwaseighteenhe______goingaroundwithastrangesetofpeopleandstayingoutverylate.

PresidentClinton______powerwhentheUSeconomywasslow.

Iwashalfwaybacktothecottagewheremymotherlived______Susancaughtupwithme.

Howdoesithappenthatchildrenlearntheirmothertonguesowell?Whenwecomparewithadultslearningaforeign11.______

下列哪些病症可采用逍遥散治疗

目前计划生育中生育控制的基本手段是

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