【单选题】
下列污染现象主要与<img class="kfformula" src="20200629/1593429156221829.png" data-latex="{NO}_{2}" width="40" height="25"/>有关的是（）。
①
光化学烟雾
②
水体富营养化
③
温室效应
④
臭氧空洞
【单选题】
常温下，一定浓度的某溶液，由水电离出的c（<img class="kfformula" src="20200629/1593413613561635.png" data-latex="{OH}^{-}" width="51" height="32"/>）=<img class="kfformula" src="20200629/1593413613157015.png" data-latex="{10}^{-4}" width="67" height="38"/>mol/L，则该溶液中的溶质可能是（）。
①
<img class="kfformula" src="20200629/1593413613635171.png" data-latex="{CH}_{3}COONa" width="112" height="33"/>
②
<img class="kfformula" src="20200629/1593413613405707.png" data-latex="NaOH" width="70" height="30"/>
③
<img class="kfformula" src="20200629/1593413613385069.png" data-latex="{A1}_{2}{(SO}_{4}{)}_{3}" width="88" height="25"/>
④
<img class="kfformula" src="20200629/1593413613817451.png" data-latex="{KHSO}_{4}" width="80" height="26"/>
【单选题】
对<img class="kfformula" src="20200624/1592993427842684.png" data-latex="{1mo1H}_{2}0" width="89" height="31"/>的说法正确的是（ ）。
①
含有<img class="kfformula" src="20200624/1592993427214801.png" data-latex="{6.02\times 2\times 10}^{23}" width="135" height="33"/>氢元素
②
氢原子与氧原子的物质的量之比为2:1
③
含有<img class="kfformula" src="20200624/1592993427231085.png" data-latex="{6.02\times 10}^{23}" width="81" height="31"/>个氢分子
④
质量为18g
【单选题】
计算<img class="kfformula" src="20200624/1592993098219071.png" data-latex="{71gC1}_{2}" width="79" height="31"/>所含原子数为（ ）<img class="kfformula" src="20200624/1592993098786896.png" data-latex="{N}_{A}" width="43" height="33"/>。
①
0.5
②
2
③
4
④
35.5
【单选题】
已知<img class="kfformula" src="20190809/1565322050560879.png" data-latex="A\left ( {0，-2} \right )"/>，<img class="kfformula" src="20190809/1565322050489966.png" data-latex="B\left ( {x，6} \right )"/>的中点坐标为<img class="kfformula" src="20190809/1565322050782302.png" data-latex="\left ( {-1，y} \right )"/>，则<img class="kfformula" src="20190809/1565322050701271.png" data-latex="x"/>，<img class="kfformula" src="20190809/1565322050277662.png" data-latex="y"/>的值分别为（ ）
①
<img class="kfformula" src="20190809/1565322050358526.png" data-latex="x=-4，y=-2"/>
②
<img class="kfformula" src="20190809/1565322050607462.png" data-latex="x=2，y=4"/>
③
<img class="kfformula" src="20190809/1565322050656212.png" data-latex="x=-4，y=25"/>
④
<img class="kfformula" src="20190809/1565322050205695.png" data-latex="x=-2，y=2"/>
【单选题】
如果25℃时Kw=<img class="kfformula" src="20200629/1593410268481104.png" data-latex="1\times {10}^{-14}" width="63" height="39"/>，100℃时Kw=<img class="kfformula" src="20200629/1593410268882824.png" data-latex="1\times {10}^{-12}" width="75" height="29"/>,这说明（）.
①
100℃时水的电离常数较大
②
水的电离过程是一个放热过程
③
Kw和温度无直接关系
④
前者c（<img class="kfformula" src="20200629/1593410268511436.png" data-latex="{H}^{+}" width="46" height="24"/>）较后者大
【单选题】
正五棱锥的底面积是<img class="kfformula" src="20190809/1565328530277328.png" data-latex="26{cm}^{2}"/>，高是<img class="kfformula" src="20190809/1565328530106797.png" data-latex="6cm"/>，则其体积是（ ）。
①
<img class="kfformula" src="20190809/1565328531591499.png" data-latex="104{cm}^{3}"/>
②
<img class="kfformula" src="20190809/1565328531884474.png" data-latex="{52cm}^{3}"/>
③
<img class="kfformula" src="20190809/1565328531242148.png" data-latex="78{cm}^{3}"/>
④
<img class="kfformula" src="20190809/1565328531496628.png" data-latex="156{cm}^{3}"/>
【单选题】
能抑制<img class="kfformula" src="20200424/1587721206156888.png" data-latex="{T}_{4}" width="36" height="25"/>转化为<img class="kfformula" src="20200424/1587721206325299.png" data-latex="{T}_{3}" width="35" height="25"/>的抗甲状腺药物是（ ）。
①
丙硫氧嘧啶
②
甲巯咪唑
③
甲硫氧嘧啶
④
硫咪唑
⑤
卡比马唑
【单选题】
设<img class="kfformula" src="20200624/1592994646121055.png" data-latex="{N}_{A}" width="43" height="27"/>为阿伏加德罗常数的值，现有0.3mol/L<img class="kfformula" src="20200624/1592994646476247.png" data-latex="{K}_{2}{SO}_{4}" width="67" height="28"/>溶液，2L溶液中<img class="kfformula" src="20200706/1594010340325220.png" data-latex="{SO4}^{2-}" width="43" height="30"/>的浓度为（ ）mol/L。
①
0.6
②
0.3
③
0.9
④
1.0
【单选题】
将<img class="kfformula" src="20200629/1593438261953621.png" data-latex="{SO}_{2}" width="40" height="33"/>气体缓缓通入下列各溶液中，随着<img class="kfformula" src="20200629/1593438261627734.png" data-latex="{SO}_{2}" width="39" height="34"/>的通入，而溶液的酸性先变弱后变强的是( )。
①
氢氧化钠
②
氢硫酸
③
溴水
④
亚硫酸
%7D_%7B2%7D%7BCO%7D_%7B3%7D%22%20width%3D%22105%22%20height%3D%2230%22/%3E%5D%E3%80%82%E8%BF%99%E4%B8%89%E4%BB%B61760%E5%B9%B4%E9%93%9C%E9%93%B8%E7%9A%84%E5%9B%BD%E5%AE%9D%E5%9C%A8240%E5%B9%B4%E5%90%8E%E7%9C%8B%E4%B8%8A%E5%8E%BB%E4%BE%9D%E7%84%B6%E7%86%A0%E7%86%A0%E7%94%9F%E8%BE%89%EF%BC%8C%E4%B8%8D%E7%94%9F%E9%94%88%EF%BC%8C%E4%B8%8B%E5%88%97%E5%AF%B9%E5%85%B6%E5%8E%9F%E5%9B%A0%E7%9A%84%E5%88%86%E6%9E%90%EF%BC%8C%E6%9C%80%E5%8F%AF%E8%83%BD%E7%9A%84%E6%98%AF(%20)%E3%80%82&pn=1){kind=link}
%7D_%7B2%7D%7BCO%7D_%7B3%7D%22%20width%3D%22105%22%20height%3D%2230%22/%3E%5D%E3%80%82%E8%BF%99%E4%B8%89%E4%BB%B61760%E5%B9%B4%E9%93%9C%E9%93%B8%E7%9A%84%E5%9B%BD%E5%AE%9D%E5%9C%A8240%E5%B9%B4%E5%90%8E%E7%9C%8B%E4%B8%8A%E5%8E%BB%E4%BE%9D%E7%84%B6%E7%86%A0%E7%86%A0%E7%94%9F%E8%BE%89%EF%BC%8C%E4%B8%8D%E7%94%9F%E9%94%88%EF%BC%8C%E4%B8%8B%E5%88%97%E5%AF%B9%E5%85%B6%E5%8E%9F%E5%9B%A0%E7%9A%84%E5%88%86%E6%9E%90%EF%BC%8C%E6%9C%80%E5%8F%AF%E8%83%BD%E7%9A%84%E6%98%AF(%20)%E3%80%82&pn=3){kind=link}
%7D_%7B2%7D%7BCO%7D_%7B3%7D%22%20width%3D%22105%22%20height%3D%2230%22/%3E%5D%E3%80%82%E8%BF%99%E4%B8%89%E4%BB%B61760%E5%B9%B4%E9%93%9C%E9%93%B8%E7%9A%84%E5%9B%BD%E5%AE%9D%E5%9C%A8240%E5%B9%B4%E5%90%8E%E7%9C%8B%E4%B8%8A%E5%8E%BB%E4%BE%9D%E7%84%B6%E7%86%A0%E7%86%A0%E7%94%9F%E8%BE%89%EF%BC%8C%E4%B8%8D%E7%94%9F%E9%94%88%EF%BC%8C%E4%B8%8B%E5%88%97%E5%AF%B9%E5%85%B6%E5%8E%9F%E5%9B%A0%E7%9A%84%E5%88%86%E6%9E%90%EF%BC%8C%E6%9C%80%E5%8F%AF%E8%83%BD%E7%9A%84%E6%98%AF(%20)%E3%80%82&pn=2){kind=link}
%7D_%7B2%7D%7BCO%7D_%7B3%7D%22%20width%3D%22105%22%20height%3D%2230%22/%3E%5D%E3%80%82%E8%BF%99%E4%B8%89%E4%BB%B61760%E5%B9%B4%E9%93%9C%E9%93%B8%E7%9A%84%E5%9B%BD%E5%AE%9D%E5%9C%A8240%E5%B9%B4%E5%90%8E%E7%9C%8B%E4%B8%8A%E5%8E%BB%E4%BE%9D%E7%84%B6%E7%86%A0%E7%86%A0%E7%94%9F%E8%BE%89%EF%BC%8C%E4%B8%8D%E7%94%9F%E9%94%88%EF%BC%8C%E4%B8%8B%E5%88%97%E5%AF%B9%E5%85%B6%E5%8E%9F%E5%9B%A0%E7%9A%84%E5%88%86%E6%9E%90%EF%BC%8C%E6%9C%80%E5%8F%AF%E8%83%BD%E7%9A%84%E6%98%AF(%20)%E3%80%82&pn=5){kind=link}
%7D_%7B2%7D%7BCO%7D_%7B3%7D%22%20width%3D%22105%22%20height%3D%2230%22/%3E%5D%E3%80%82%E8%BF%99%E4%B8%89%E4%BB%B61760%E5%B9%B4%E9%93%9C%E9%93%B8%E7%9A%84%E5%9B%BD%E5%AE%9D%E5%9C%A8240%E5%B9%B4%E5%90%8E%E7%9C%8B%E4%B8%8A%E5%8E%BB%E4%BE%9D%E7%84%B6%E7%86%A0%E7%86%A0%E7%94%9F%E8%BE%89%EF%BC%8C%E4%B8%8D%E7%94%9F%E9%94%88%EF%BC%8C%E4%B8%8B%E5%88%97%E5%AF%B9%E5%85%B6%E5%8E%9F%E5%9B%A0%E7%9A%84%E5%88%86%E6%9E%90%EF%BC%8C%E6%9C%80%E5%8F%AF%E8%83%BD%E7%9A%84%E6%98%AF(%20)%E3%80%82&pn=6){kind=link}
%7D_%7B2%7D%7BCO%7D_%7B3%7D%22%20width%3D%22105%22%20height%3D%2230%22/%3E%5D%E3%80%82%E8%BF%99%E4%B8%89%E4%BB%B61760%E5%B9%B4%E9%93%9C%E9%93%B8%E7%9A%84%E5%9B%BD%E5%AE%9D%E5%9C%A8240%E5%B9%B4%E5%90%8E%E7%9C%8B%E4%B8%8A%E5%8E%BB%E4%BE%9D%E7%84%B6%E7%86%A0%E7%86%A0%E7%94%9F%E8%BE%89%EF%BC%8C%E4%B8%8D%E7%94%9F%E9%94%88%EF%BC%8C%E4%B8%8B%E5%88%97%E5%AF%B9%E5%85%B6%E5%8E%9F%E5%9B%A0%E7%9A%84%E5%88%86%E6%9E%90%EF%BC%8C%E6%9C%80%E5%8F%AF%E8%83%BD%E7%9A%84%E6%98%AF(%20)%E3%80%82&pn=7){kind=link}
%7D_%7B2%7D%7BCO%7D_%7B3%7D%22%20width%3D%22105%22%20height%3D%2230%22/%3E%5D%E3%80%82%E8%BF%99%E4%B8%89%E4%BB%B61760%E5%B9%B4%E9%93%9C%E9%93%B8%E7%9A%84%E5%9B%BD%E5%AE%9D%E5%9C%A8240%E5%B9%B4%E5%90%8E%E7%9C%8B%E4%B8%8A%E5%8E%BB%E4%BE%9D%E7%84%B6%E7%86%A0%E7%86%A0%E7%94%9F%E8%BE%89%EF%BC%8C%E4%B8%8D%E7%94%9F%E9%94%88%EF%BC%8C%E4%B8%8B%E5%88%97%E5%AF%B9%E5%85%B6%E5%8E%9F%E5%9B%A0%E7%9A%84%E5%88%86%E6%9E%90%EF%BC%8C%E6%9C%80%E5%8F%AF%E8%83%BD%E7%9A%84%E6%98%AF(%20)%E3%80%82&pn=10){kind=link}