细菌总数不能说明污染来源，必须结合（）来判断水体污染源来源和安全程度。 A.铁细菌群 发布时间：2018-10-10 11:31 │ 来源：www.tikuol.com 题型：单项选择题 问题： 细菌总数不能说明污染来源，必须结合（）来判断水体污染源来源和安全程度。A.铁细菌群B.厌氧细菌群C.好氧细菌群D.大肠菌群
题型：单项选择题 任务型阅读。 I've got 80me information for everyone going to Britain next month. As you know, you'll be staying with a family for two weeks. Now the most important thing is money. You should take about￡30 in cash and about S 200 in traveler8 cheques (支票). Then when you arrive at the airport you'11 be met by our hot family. You must remember to wear a red shirt 80 the family will find you easily. I've told them to look out for the red shirts. You'll also need to take with you 4 photos of yourself and, of course, it's very importantthat you take the school letter. While you are there, if you have any problems，you can call our agent(代理人). I'll give you her office phone number now, It's 580-4436 and the person to ask for is Mrs.Belcher, that’s B-E-L-C -H-E-R.She's in the office from 9-5 every day. OK! That's everything?Have a good trip.根据短文内容填写下表，每空词数不限。GOING TO BRITAINMoney-ca8h：￡30Traveler cheques：(1) Wear:(2) Take:(3) Office phone number:(4) Ask for:(5) 查看答案
题型：单项选择题 急救考核，病人被发现昏倒在地，可闻及煤气味，救助者发现其呼吸微弱，就地行人工呼吸，考核失败，原因是（）。A.未及时供氧B.未及时撤离现场C.未及时输液D.未及时使用兴奋剂E.未及时打急救电话 查看答案