國務院環境保護主管部門與國務院衛生主管部門根據射線裝置對人體健康和環境的潛在危害程度,從高到低將射線裝置分為Ⅰ類、Ⅱ類、Ⅲ類。
1、正確正確
暫無解析
完善應急救援機制和基礎條件,建立健全自然災害預報預警聯合處置機制,加強()等部門的協調配合,嚴防自然災害引發事故災難。
對于直徑較大,斷面不平整宜采用對焊的工藝為()。
Directions:
Thissectionistotestyourabilitytocomprehendshortpassages.Youwillheararecordedpassage.Afterthatyouwillhearfivequestions.Boththepassageandthequestionswillbereadtwotimes.Whenyouhearaquestion,youshouldcompletetheanswertoitwithawordorashortmphrase(innomorethan3words).Thequestionsandincompleteanswersareprintedinyourtestpaper.YoushouldwriteyouranswersontheAnswerSheetcorrespondingly.
16、Whatproductdoesthecompanyproduce?______.
17、Whenwasthecompanysetup?______ago.
18、Wherearetheirproductssold?Both______andabroad.
19、Accordingtothespeaker,whydotheirproductshaveagoodreputation?
Becauseofthehighqualityandgood______theyprovide.
20、Whatdoesthespeakerpromisetogiveforalargeorder?A______.
圖象高速緩存的范圍是()
施工單位對因建設工程施工可能造成損害的毗鄰建筑物、構筑物和地下管線等,采取()。