已知一棵二叉树前序遍历和中序遍历分别为ABDEGCFH和DBGEACHF,则该二叉树的后序遍历为
A、GEDHFBCAB
暂无解析
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______.
下面关于混凝土拌和楼(站)的安装和运行操作正确的有()。
堤防工程竣工验收前,项目法人应委托省级以上水行政主管部门认定的水利工程()对工程质量进行一次抽检。工程质量抽检所需费用由项目法人列资。
基坑(槽)上口堆放模板为()以外。
下列叙述中,哪项不属于防治水污染的措施?()