【简答题】【消耗次数:1】
Translate the following sentence into ChineseThis is an important meeting. Please see to it that you are not late for it.
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相关题目
【简答题】 Translate the following sentence into ChineseToday the quality of our natural environment has become an important issue.
【简答题】 Translate the following sentence into ChineseAt the meeting, they discussed how to keep the lines of communication open between teachers and students.
【单选题】 You never told us why you were one hour late for the last meeting, ____?
①  weren’t you
②  didn’t you
③  have you
④  did you
【单选题】 We all thought ______ pity that you were unable to attend our meeting.
①  that
②  which
③  this
④  it
【简答题】 Translate the following sentence into Chinese.3. He came first in the race.
【简答题】 Translate the following sentence into Chinese.2. The Greens is very kind to us.
【简答题】 Translate the following sentence into Chinese.In fact, it has nothing to do with him at all.
【简答题】 Translate the following sentence into ChinesePeople gain fortunes not only by hard labor but also by honesty.
【简答题】 Translate the following sentence into English.我刚到家电话就响了。
【简答题】 Translate the following sentence into ChineseRapid industrial growth makes new demands on science and technology.
随机题目
【判断题】 在电位滴定中,滴定终点的体积为△2E/△V2-V(二阶微商)曲线的零点所对应的体积。
①  正确
②  错误
【多选题】 永停滴定法的类型有( )
①  可逆电对滴定不可逆电对体系
②  不可逆电对滴定可逆电对体系
③  可逆电对滴定可逆电对体系
④  不可逆电对滴定不可逆电对体系
【多选题】 下列电极属于参比电极的有( )
①  甘汞电极
②  铂电极
③  -氯化银电极
④  玻璃电极
【多选题】 电位法测定溶液的pH常选择的电极是( )
①  饱和甘汞电极
②  银-氯化银电极
③  玻璃电极
④  银电极
【多选题】 甘汞电极的组成有( )
① 
②  甘汞
③  溶液
④  铂丝
【多选题】 用两次测量法测定溶液pH的目的是( )
①  消除玻璃电极的酸差
②  消除玻璃电极的不对称电位
③  消除不确定因素产生的误差
④  稳定Ph
【多选题】 电位滴定法在酸碱滴定中应用时( )
①  通常选用pH玻璃电极作为指示电极
②  选用饱和甘汞电极作为参比电极
③  确定终点的方法比指示剂法更灵敏
④  常用于有色或浑浊溶液特别是弱酸、弱碱、混合酸(碱)的测定
【多选题】 测定溶液pH时,用标准缓冲溶液进行校正的主要目的是消除( )
①  不对称电位
②  液接电位
③  温度
④  碱差
【多选题】 电位滴定法的优点有( )
①  不受溶液颜色的影响
②  不受溶液的浑浊程度的影响
③  滴定突跃不明显的时候可以使用
④  无适当指示剂时可使用
【单选题】 进行酸碱电位滴定时应选择的指示电极是( )
①  标准氢电极
②  玻璃电极
③  饱和甘汞电极
④  银-氯化银电极