【判断题】【消耗次数：1】
A: You havent changed your mind, have you? B: Yes, I havent.
①
正确
②
错误
参考答案：
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相关题目
【单选题】
16.—Youve made great progress in your studies of English, havent you? ---Yes, but much.
①
remainstodo
②
isremainedtodo
③
remainstobedone
④
isremainedtobedone
【单选题】
A: Havent seen you for ages! What are you busy with now? B: [填空].
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Long time no see
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Glad to see you
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Yeah, thanks for coming
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I am working part time in a bookshop, you know
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A: I havent received the book which I ordered from you last Saturday. B: Please tell me the serial number on your order sheet. [填空].
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You wont regret
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Trust me
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Ill run a check for you
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I promise
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Havent seen you for ages. Lets have a dinner together this weekend.____________
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Yes, of course.
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Welcome!
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No, thanks.
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Great idea!
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A: Would you mind if I play the violin here? B: [填空].
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Of course not.
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Yes, I dont mind
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Yes, you may do that
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OK. Everyone does
【单选题】
-I hope you don’t mind my pointing out your mistakes.- ____.
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Of course
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You’re welcome
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Certainly not
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Yes, I do
【单选题】
Do you mind if I join you?
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I’m very happy to do so
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Never mind
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Please do
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Oh, I can’t
随机题目
【单选题】
铁屑溶于过量的稀硫酸，过滤后向滤液中加入适量的硝酸，再加入过量的氨水，有红褐色沉淀生成。过滤，加热沉淀物至质量不再发生变化，得到红棕色的残渣。上述沉淀和残渣分别为（）。
①
<img class="kfformula" src="20200623/1592891181453159.png" data-latex="{Fe(OH)}_{3};\, {Fe}_{2}{O}_{3}" width="157" height="32"/>
②
<img class="kfformula" src="20200623/1592891181971969.png" data-latex="{Fe(OH)}_{2};{Fe(OH)}_{3};{Fe}_{3}{O}_{4}" width="205" height="36"/>
③
<img class="kfformula" src="20200623/1592891181879323.png" data-latex="{Fe(OH)}_{2};FeO" width="136" height="33"/>
④
<img class="kfformula" src="20200623/1592891181551807.png" data-latex="{Fe}_{2}{O}_{3};Fe{(OH)}_{3}" width="161" height="31"/>
【单选题】
计算１<img class="kfformula" src="20200624/1592991783289559.png" data-latex="{mo1SO}^{2-}_{4}" width="90" height="34"/>中含有的O的物质的量是（ ）mol。
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3
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1
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4
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2
【单选题】
设<img class="kfformula" src="20200624/1592994354787122.png" data-latex="{N}_{A}" width="45" height="34"/>为阿伏加德罗常数的值，现有0.3mol/L<img class="kfformula" src="20200624/1592994354663063.png" data-latex="{K}_{2}{SO}_{4}" width="63" height="27"/>溶液，1L溶液中含有K+离子和<img class="kfformula" src="20200624/1592994354748487.png" data-latex="{SO4}^{2-}" width="48" height="29"/>离子总数为（ ）<img class="kfformula" src="20200624/1592994354917181.png" data-latex="{N}_{A}" width="42" height="33"/>。
①
0.6
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0.3
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0.9
④
1.0