Oh,God,itslate.Ivegottogo..Hopetoseethemsoon.

【单选题】

__Why didn’t John call me ? __Oh, his cell-phone ran out of power, otherwise he______ you.

① had called

② would have called

③ called

④ would call

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【判断题】

1,25-(OH)2D3是人体内维生素D的生理活性形式。

① 正确

② 错误

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【单选题】

—I want to have my CD player fixed, but I cant find a repair shop. —Oh, I know_____ . Come on, Ill take you there.

① one

② the one

③ ones

④ many

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【单选题】

下列关于<img class="kfformula" src="20200629/1593417409604364.png" data-latex="{A1(OH)}_{3}" width="69" height="31"/>的性质叙述错误的是(　　)。

① <img class="kfformula" src="20200629/1593417409786278.png" data-latex="{A1(OH)}_{3}" width="87" height="28"/>能凝聚水中的悬浮物，也能吸附色素

② <img class="kfformula" src="20200629/1593417409149659.png" data-latex="{A1(OH)}_{3}" width="65" height="32"/>是两性氢氧化物

③ <img class="kfformula" src="20200629/1593417409705622.png" data-latex="{A1(OH)}_{3}" width="80" height="33"/>既溶于NaOH溶液、氨水，又能溶于盐酸

④ <img class="kfformula" src="20200629/1593417409896124.png" data-latex="{A1(OH)}_{3}" width="89" height="29"/>是难溶于水的白色胶状物质

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【单选题】

将<img class="kfformula" src="20200623/1592893099409428.png" data-latex="{Fe(OH)}_{2}" width="101" height="24"/>露置在空气中加热灼烧所得的产物为（）。

① <img class="kfformula" src="20200623/1592893099585801.png" data-latex="{Fe}_{2}{O}_{3}" width="81" height="32"/>

② <img class="kfformula" src="20200623/1592893099561989.png" data-latex="F{e}_{2}{O}_{3}" width="88" height="36"/>

③ FeO

④ <img class="kfformula" src="20200623/1592893099960836.png" data-latex="{Fe(OH)}_{3}" width="96" height="32"/>

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【简答题】

Direction: Fill in the blanks with the words given below. Change the form if necessary.[hug; flatten; ancestor; amazing; solemnly; comfort; awful; desperately; uproot; cousin]3. Whether its a dead[填空1]or God, whatever supernatural agent it is, if you think theyre watching you, your behavior is going to be affected.

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【判断题】

在溶液中盐的离子跟水所电离出来的H+或OH-生成弱电解质的过程叫做盐类的水解

① 正确

② 错误

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【判断题】

羧基中既存在羰基，又存在羟基(?OH)，因此它应表现出醇和酮的性质，所以可与羰基试剂(如苯肼等)作用。

① 正确

② 错误

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【判断题】

盐类水解的离子反应遵循电荷原则，所以阳离子水解，H+多余，溶液呈酸性，阴离子水解，OH-多余，溶液呈碱性

① 正确

② 错误

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【单选题】

“Do you think, because I am poor, obscure, plain, and little, I am soulless and heartless? You think wrong!—I have as much soul as you,—and full as much heart! And if God had gifted me with some beauty and much wealth, I should have made it as hard for you to leave me, as it is now for me to leave you. ” This passage is taken from ________.

① Emma

② Wuthering Heights

③ Jane Eyre

④ Pride and Prejudice

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