He ______ his head, wondering how to solve the problem.

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问题 He ______ his head, wondering how to solve the problem.

选项 A、scrapped
B、screws
C、scraped
D、scratched

答案D

解析 scratch 挠,抓;scrap①将......拆毁It is high time that the old plane was scrapped.②废弃 We had to scrap our plans; screw 旋,拧 Could you screw the lid off the jar? scrape 擦去,削掉[(+off/away/ out) ]He scraped the paint from the surface.

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专业英语四级

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He ______ his head, wondering how to solve the problem.

专业英语四级

Businessandgovernmentleadersalsoconsidertheinflationratetobeanimportantgeneralindicator.Inflationisaperiodof

Peoplethinkingabouttheoriginoflanguageforthefirsttimeusuallyarriveattheconclusionthatitdevelopedgradually

TheUSFoodandDrugAdministration(FDA)istakingstepstoprotectthecountry’sbloodsupply.Peoplegivebloodtothecent

Writeanoteofabout50—60wordsbasedonthefollowingsituation:You’vereadonthenoticeboardthattheuniversitylibrary

Ifabaseballplayerisonhisfirstpositivetest,whatwillhappentohim?

Indeed,almosteveryscientistnowfindsitimpossibletoreadalltheworksrelevanttohisownsubject,______extensivelyout

Wedon’tthinkthatthisresultconsists______oureffortsexerted.

Togetachocolateoutofaboxdemandsaconsiderableamountofunpacking:theboxhastobetakenoutofitspaperbag;thepl

Letusconsiderwhatscienceandtechnologyhavetocontributetothefoodproblem.Thesimplestwaytoincreasefoodprodu

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