隧道内监控量测点应在隧道开挖后内布设,并及时读取数据,最迟不得大于() A.8h,1 发布时间:2017-09-20 17:05 │ 来源:www.tikuol.com 题型:单项选择题 问题: 隧道内监控量测点应在隧道开挖后内布设,并及时读取数据,最迟不得大于()A.8h,12hB.8h,24hC.12h,24hD.24h,48h
题型:单项选择题 His father died last year, ______ made it impossible for him to go abroad.A. whenB. which C. as D. that 查看答案
题型:单项选择题 关于胚胎期,正确的说法是A.为妊娠最初6周B.组织与器官迅速生长,功能渐趋成熟C.各器官原基分化关键时期D.受精第六周之后至出生E.各种不利因素对各器官正常分化影响不大的时期 查看答案