迭____ 祸 ____ 择____ 衍____ 沃____
跌____ 锅____ 译____ 衔____ 跃____
1,2﹣二溴乙烷可作汽油抗爆剂的添加剂,常温下它是无色液体,密度是2.18克/厘米3,沸点131.4℃,熔点9.79℃,不溶于水,易溶于醇、醚、丙酮等有机溶剂.在实验中可以用如图所示装置制备1,2﹣二溴乙烷.其中分液漏斗和烧瓶a中分别装有浓硫酸和乙醇溶液,试管d中装有浓溴(表面覆盖少量水).请填写下列空白:
根据句意及首字母或汉语提示完成单词
① Lots of sports c____ are strict with the athletes.
②He is the winner at the 100-metre r____.
③ Zhang Yining is not an o____ success.
④ The ____ (广告)is very meaningful.
⑤Tom broke a ____ (纪录)in running.
从下列不等式中选择一个与x+1≥2组成不等式组,若要使该不等式组的解集为x≥1,则可以选择的不等式是( )