When our university laboratory bought this microscope we were given a one year’s ______.

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问题 When our university laboratory bought this microscope we were given a one year’s ______.

选项 A、reservation
B、security
C、proof
D、guarantee

答案D

解析 guarantee商品使用保证。

转载请注明原文地址:https://kaotiyun.com/show/Oi6K777K

专业英语四级

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When our university laboratory bought this microscope we were given a one year’s ______.

专业英语四级

StudyActivitiesinUniversityInordertohelpcollegeanduniversitystudentsintheprocessoflearning,fourkeystudya

StudyActivitiesinUniversityInordertohelpcollegeanduniversitystudentsintheprocessoflearning,fourkeystudya

StudyActivitiesinUniversityInordertohelpcollegeanduniversitystudentsintheprocessoflearning,fourkeystudya

StudyActivitiesinUniversityInordertohelpcollegeanduniversitystudentsintheprocessoflearning,fourkeystudya

StudyActivitiesinUniversityInordertohelpcollegeanduniversitystudentsintheprocessoflearning,fourkeystudya

HershortstayinKentuckyinthemid-nineteenhundredswasveryimportanttoauthorMaryHolmes,_______providedthebackgroun

Therailroads【C1】akeyroleinthesettlementoftheWest.Theyprovidedrelativelyeasy【C2】totheregionforthe

Therailroads【C1】akeyroleinthesettlementoftheWest.Theyprovidedrelativelyeasy【C2】totheregionforthe

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剧烈运动后，人们常常满脸通红，大汗淋漓，这主要是因为皮肤的()功能。

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专业英语四级

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Therailroads【C1】______akeyroleinthesettlementoftheWest.Theyprovidedrelativelyeasy【C2】______totheregionforthe

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剧烈运动后，人们常常满脸通红，大汗淋漓，这主要是因为皮肤的()功能。

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穆旦属于现代文学史上的()

以下不可能成为非物质文化遗产的是( )。

设函数f(x)，g(x)在[a，b]上连续，在(a，b)内具有二阶导数且存在相等的最大值,f(a)=g(a),f(b)=g(b)，证明：存在ξ∈(a，b)，使得f”(ξ)=g”(ξ)．

误码率是指二进制码元在数据传输系统中被传错的【 】。

编写如下程序：PrivateSubCommandl_Click()DimaAsInteger，bAsIntegera=3：b=2Ifa*b＜10Then

Asfoodistothebody,soislearningtothemind.Ourbodiesgrowandmusclesdevelopwiththeinputofadequatenutritious【M1

Duringthe1992presidentialcampaign,HillaryRodhamClintonobserved,"Ourlivesareamixtureofdifferentroles.Mostofus

Therailroads【C1】akeyroleinthesettlementoftheWest.Theyprovidedrelativelyeasy【C2】totheregionforthe

Therailroads【C1】akeyroleinthesettlementoftheWest.Theyprovidedrelativelyeasy【C2】totheregionforthe

Therailroads【C1】akeyroleinthesettlementoftheWest.Theyprovidedrelativelyeasy【C2】totheregionforthe

以下不可能成为非物质文化遗产的是(　　)。

误码率是指二进制码元在数据传输系统中被传错的【　　】。