题目内容
对分析结果中的可疑值应用Q检验法确定是否保留。
查看答案
搜索结果不匹配？点我反馈
更多问题
如果指示剂的变色范围全部处于滴定突跃之内，则滴定误差最小。
假设你应邀参加学校组织的“英语学习师生座谈会”，请你根据下表所提示的信息，用英语写一篇发言稿，简单介绍自己英语学习的情况，并对学校今后的英语教学提出建议。注意：1．对所给要点逐一陈述，适当发挥，不要简单翻译；2．词数在150词左右。开头和结尾已经写好，不计入总词数；3．文中不得提及考生所在学校和本人姓名。Dear teachers and schoolmates，it’s a great pleasure for me to be here today and share my experience of learning English with you．__________________________________________Thank you for listening．
危险的存在是保险产生的必要条件。( )
In June 1985, two British mountaineers Joe Simpson and Simon Yates made the first-ever climb of the 21,000-foot snow-covered Siula Grande mountain in Peru. It was an exceptionally (26) job, but nothing compared to what was to (27) . Early in the process, Simpson (28) and broke his right knee. Yates could have (29) him but managed to find a way of (30) him down the mountains on a rope in a series of difficult drops. Then Simpson fell into a crevasse and Yates eventually had no (31) but to cut the (32) , completely convinced that his friend was now (33) In his book on the (34) , Joe Simpson wrote:(35) I looked at the distant moraines, I know that I must at least try I would probably (36) there among those rocks. If I died, well, that wasn’t so (37) , but I wouldn’t have (38) waited for it to happen. The (39) of dying no longer affected me as it had in the crevasse at first. I now had a chance to (40) it and struggle against it.The survival of Yates himself was (41) . That Simpson somehow found a way of (42) out of the crevasse after 12 hours and then crawled and (43) himself six miles back to camp, (44) three days and might without food or drink, would be considered as a heroic fiction. But in fact it was so (45) . 42().
微信支付 
支付宝支付