Nowhere in nature is aluminum found free, owing to it always ______ with other elements, most commonly with oxygen.

admin2014-01-17 52

问题 Nowhere in nature is aluminum found free, owing to it always ______ with other elements, most commonly with oxygen.

选项 A、being combined
B、having combined
C、to combine
D、combined

答案A

解析非谓语动词题。owing to是介词，后应接名词或动名词，所以排除选项C 和D 。而根据题意，后面应该接被动语态形式，进而排除选项B 。

转载请注明原文地址:https://kaotiyun.com/show/ZpFK777K

专业英语四级

相关试题推荐

Oneofthemorenotedopticalillusionsintheannalsofvisualdeceptionappearedinthenightskythisweekwhenagiantfull
Nearly60millionvisitorsflocktothe384nationalparksacrossAmericaeveryyear.Andyouwon’thavetowanderfarfromhome
Nearly60millionvisitorsflocktothe384nationalparksacrossAmericaeveryyear.Andyouwon’thavetowanderfarfromhome
Helookedtheplace______butdidnotfindanythingsuspicious.
Hereisoneofthemostinterestingnovelsthat______beenpublished______thewar.
We’dratheryou______theaccounttomorrow.
WecanlearnfromthebeginningofthepassagethatTheauthorbegantolovebooksforthefollowingreasonsEXCEPTthat
Mostpeoplewhogoonlinehavemainlypositiveexperience.But,(1)______anyendeavor—traveling,cooking,orattendingschool—th
WhyarevisitorstoBritainalwayscomplainingaboutEnglishfood?
Englishhasbeensuccessfullypromoted,andhasbeeneagerlyadoptedinthegloballinguisticmarketplace.Onesymptomoftheim

随机试题

在大地测量中，对于平均海水面即基准面以下的地面点，其高程用从平均海平面向下量的负高程表示，如水面下某点距平均海平面的竖直距离为12m，则标为-12．0m。水下地形用连接相同水深点的等深线表示，形成()。
隧道照明控制系统能根据交通量的变化及（）对洞内照明强度进行调节。
根据以下资料，回答下列问题。两周就诊率被定义为每百人中两周内因病或身体不适寻求各级医疗机构治疗服务的人次数。第五次国家卫生服务调查结果显示，调查地区居民两周就诊率为13．0％，其中城市地区为13．3％，农村地区为12．8％。城市地区，东部、中部、
一辆客车、一辆货车和一辆小轿车在同一条直线上朝同一方向行驶，在某一时刻，货车在中，客车在前，小轿车在后，且它们的距离相等。走了10分钟，小轿车追上了货车；又走了5分钟，小轿车追上了客车。问再过多少分钟，货车将追上客车?()
根据下面材料回答下列问题。2015年一季度，A省商品房销售面积1175．2万平方米，下降13．4％，降幅比1—2月收窄13．8个百分点。其中，商品住宅销售面积1036．3万平方米，下降15％；办公楼销售面积15．2万平方米，下降48．7％；商业营业用房销
Completethenotesbelow.WriteNOMORETHANTWOWORDSforeachanswer.ChainStoresintheUKInitialexpansionThecompanye
Herushedintotheclassroom_______withtearsonhisface.(anger)
Directions:Inthispart,youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1.Fo
Theboyslippedoutoftheroomandheadedfortheswimmingpoolwithouthisparents’__________.
TheincreasingAmericanizationofJapaneselifeisevidentinmanyways.Onesuchwayisthegrowingpopularityofcreditcards.

最新回复(0)

Nowhere in nature is aluminum found free, owing to it always ______ with other elements, most commonly with oxygen.

专业英语四级

Oneofthemorenotedopticalillusionsintheannalsofvisualdeceptionappearedinthenightskythisweekwhenagiantfull

Nearly60millionvisitorsflocktothe384nationalparksacrossAmericaeveryyear.Andyouwon’thavetowanderfarfromhome

Nearly60millionvisitorsflocktothe384nationalparksacrossAmericaeveryyear.Andyouwon’thavetowanderfarfromhome

Helookedtheplace______butdidnotfindanythingsuspicious.

Hereisoneofthemostinterestingnovelsthat______beenpublished______thewar.

We’dratheryou______theaccounttomorrow.

WecanlearnfromthebeginningofthepassagethatTheauthorbegantolovebooksforthefollowingreasonsEXCEPTthat

Mostpeoplewhogoonlinehavemainlypositiveexperience.But,(1)______anyendeavor—traveling,cooking,orattendingschool—th

WhyarevisitorstoBritainalwayscomplainingaboutEnglishfood?

Englishhasbeensuccessfullypromoted,andhasbeeneagerlyadoptedinthegloballinguisticmarketplace.Onesymptomoftheim

在大地测量中，对于平均海水面即基准面以下的地面点，其高程用从平均海平面向下量的负高程表示，如水面下某点距平均海平面的竖直距离为12m，则标为-12．0m。水下地形用连接相同水深点的等深线表示，形成()。

隧道照明控制系统能根据交通量的变化及（）对洞内照明强度进行调节。

Completethenotesbelow.WriteNOMORETHANTWOWORDSforeachanswer.ChainStoresintheUKInitialexpansionThecompanye

Herushedintotheclassroom_______withtearsonhisface.(anger)

Directions:Inthispart,youwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1.Fo

Theboyslippedoutoftheroomandheadedfortheswimmingpoolwithouthisparents’__________.

TheincreasingAmericanizationofJapaneselifeisevidentinmanyways.Onesuchwayisthegrowingpopularityofcreditcards.

Hereisoneofthemostinterestingnovelsthatbeenpublishedthewar.