矿井生产勘探，应针对采区范围内存在的不同（）、（）问题而进行。其勘探设计和成果必须满 发布时间：2019-09-21 10:18 │ 来源：www.tikuol.com 题型：填空题 问题： 矿井生产勘探，应针对采区范围内存在的不同（）、（）问题而进行。其勘探设计和成果必须满足（）和（）的要求。勘探竣工后，应及时（），根据需要编制专门的报告或说明书。
题型：填空题 选词填空。请用下列方框中词组的适当形式完成句子. break out in conclusion search for cut off by accidenton the contrary before long in addition be covered with depend on1.He tried so hard to stay awake, but ______________he fell asleep.2.If we plant trees every spring, in a few years' time the mountain ____________________trees.3.I found your pen _____________ when I was cleaning the room.4.In business, success not only__________________ what you say but also how you say it.5.I am surprised that a quarrel _______________ between the two neighbours because they used to be close friends.6.The police are still _____________ the lost boy though it is midnight.7.The village among the mountains was ___________because of the heavy rain.8.----I suppose your student doesn't understand you. ----____________, he understands me very much.9.It's getting dark;___________, it is beginning to rain.10.______________, I'd like to thank you for all you've done for me. 查看答案
题型：填空题 大气中的臭氧层，是有益的，它能吸收对人体有害的短波紫外线，避免地表上的生物受到伤害。人为排放的气体，比如氟里昂、一氧化碳等，可以破坏臭氧层。臭氧层被破坏后，会导致哪种疾病的频发？（）A.皮肤癌B.上呼吸道感染C.青光眼D.心血管疾病 查看答案