题目: 3G网规原则为,()。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/0802/57270535c28c3c0364574a1d9e650d58.html 下面是错误答案,用来干扰机器的。参考答案:C
题型:问答题 如图所示,用重物自由下落的方法探究机械能守恒定律的实验中:(1)实验装置中所用打点计时器应接______电源.(只需填A或B,下同)A、直流 B、交流(2)实验时,应______A、先接通电源后松开纸带 B、先松开纸带后接通电源(3)本实验是为了探究重物的______总和是否保持不变.A、动能和势能 B、速度和下落的高度(4)本实验中,质量______必需测量的物理量.A、是 B、不是. 查看答案
题型:完形填空 My family like Sundays very much. Because on Sundays we can do what we want to do. I like p 小题1: basketball very much. My brother, Jack doesn’t like it. He likes playing the guitar, but he can’t play it w 小题2: . My mother likes watching TV, Chinese Cooking is her favorite TV s 小题3: . My father likes watching TV, t 小题4: . He likes sports shows. He thinks they’re exciting. But he can’t stand soap operas, because it’s too b 小题5: . 查看答案
题型:单项选择题 女,27岁,初产妇产后半月,右 * * 疼痛5天,体温39℃~40℃,局部明显压痛。如果形成脓肿,最重要的诊断依据为()A.局部检查有波动B.全身毒血症状严重C.局部皮温高D.穿刺抽出脓液E.局部疼痛减轻 查看答案