【单选题】【消耗次数：1】
The young men began to enlist for ________.
①
fun in the war
②
the war before it was too late
③
the democracy before the war ended
④
the Victorian gentility after the war
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相关题目
【单选题】
After the Civil War America was transformed from ______ to ______.
①
an agrarian community … an industrialized and commercialized society
②
an agrarian community … a society of freedom and equality
③
a poor and backward society … an industrialized and commercialized society
④
an industrialized and commercialized society … a highly developed society
【单选题】
During the Second World War, once before, the U-boats had been _____ because of air attack.
①
in trouble
②
in the trouble
③
for trouble
④
within trouble
【判断题】
The slightest mention of the decade after the First World War brings nostalgic recollections to both the middle-age and the young.
①
正确
②
错误
【单选题】
After the war, a character called Uncle Sam began appearing in political cartoon, his from ____ from an earlier cartoon character called Brother Jonathan.
①
involving
②
changing
③
evolving
④
altering
【判断题】
After the First World War, the United States was no longer isolated in either politics or tradition.
①
正确
②
错误
【单选题】
Was it during the Second World War ＿＿＿＿＿＿＿＿＿ he died?
①
then
②
in which
③
that
④
while
【单选题】
Was it during the Second World War ＿＿＿＿＿＿＿＿＿ he died?
①
then
②
in which
③
that
④
while
【单选题】
There’s little chance that mankind would _____ a nuclear war.
①
retain
②
endure
③
maintain
④
survive
【单选题】
The Anti ---Japanese War____ in 1937 and it ____ eight years.
①
break out; last
②
was broken out; lasted
③
broke out; last
④
broke out; lasted
【单选题】
The hospital is said to have been ________________ in the Second World War.
①
declined
②
destroyed
③
decided
④
demanded
随机题目
【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】
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】
下列关于氯水的说法正确的是（ ）。
①
氯水久置数天后溶液酸性减弱
②
氯水中只含<img class="kfformula" src="20200628/1593356077315366.png" data-latex="{C1}_{2}" width="56" height="36"/>和<img class="kfformula" src="20200628/1593356077557263.png" data-latex="{H}_{2}O" width="60" height="31"/>分子
③
新制氯水可使蓝色石蕊试纸先变红后褪色
④
光照氯水有气泡逸出，该气体是<img class="kfformula" src="20200628/1593356077371561.png" data-latex="{C1}_{2}" width="48" height="30"/>
【单选题】
在下列叙述中，能说明盐酸是强酸，醋酸是弱酸的是（）。
①
盐酸和醋酸都可用相应的钠盐与浓硫酸反应制取
②
将pH＝4的盐酸和醋酸稀释成pH＝5的溶液，醋酸所需加入的水量多
③
相同pH值的盐酸和醋酸分别跟锌反应时，产生氢气的起始速度相等
【单选题】
将0.lmol·<img class="kfformula" src="20200629/1593409309479184.png" data-latex="{L}^{-1}" width="46" height="31"/>醋酸溶液加水稀释，下列说法正确的是（）。
①
溶液中c（<img class="kfformula" src="20200629/1593409309358634.png" data-latex="{H}^{+}" width="36" height="32"/>）和c（<img class="kfformula" src="20200629/1593409309469275.png" data-latex="{OH}^{-}" width="55" height="27"/>）都减小
②
溶液中c（<img class="kfformula" src="20200629/1593409309586142.png" data-latex="{H}^{+}" width="45" height="26"/>）增大
③
醋酸电离平衡向逆反应方向移动
④
溶液的pH增大
【单选题】
下列说法正确的是（）。
①
常温下，任何物质的水溶液中都有<img class="kfformula" src="20200629/1593411466112134.png" data-latex="{H}^{+}和{OH}^{-}" width="102" height="37"/>，且Kw=c（<img class="kfformula" src="20200629/1593411466216289.png" data-latex="{H}^{+}" width="46" height="31"/>）·c（<img class="kfformula" src="20200629/1593411466607632.png" data-latex="{OH}^{-}" width="48" height="35"/>）=<img class="kfformula" src="20200629/1593411466190457.png" data-latex="{10}^{-14}" width="48" height="29"/>
②
NaCl溶液中既无<img class="kfformula" src="20200629/1593411466396791.png" data-latex="{H}^{-}" width="47" height="29"/>也无<img class="kfformula" src="20200629/1593411466750577.png" data-latex="{H}^{+}" width="42" height="32"/>
③
NaOH溶液中无<img class="kfformula" src="20200629/1593411466243508.png" data-latex="{H}^{+}" width="45" height="31"/>
④
HCl溶液中无<img class="kfformula" src="20200629/1593411466372752.png" data-latex="{OH}^{-}" width="58" height="30"/>
【单选题】
欲使0.1mol/L的<img class="kfformula" src="20200629/1593414655316335.png" data-latex="NaH{CO}_{3}" width="77" height="33"/>溶液中c（<img class="kfformula" src="20200629/1593414655655850.png" data-latex="{H}^{+}" width="39" height="28"/>）、c（<img class="kfformula" src="20200707/1594094658266332.png" data-latex="{{CO}_{3}}^{2-}" width="77" height="37"/>）、c（<img class="kfformula" src="20200706/1594030018177834.png" data-latex="{HC{O}_{3}}^{-}" width="80" height="36"/>）都减小，其方法是（）。
①
加入氢氧化钠固体
②
通入二氧化碳气体
③
通入氯化氢气体
④
加入饱和石灰水溶液
【单选题】
电解<img class="kfformula" src="20200629/1593420423792919.png" data-latex="{CuC1}_{2}" width="60" height="30"/>与NaCl的混合溶液，阴极上和阳极上最先析出的物质为( )。
①
<img class="kfformula" src="20200629/1593420423117793.png" data-latex="{H}_{2}和{O}_{2}" width="78" height="28"/>
②
<img class="kfformula" src="20200629/1593420423551028.png" data-latex="{H}_{2}和{C1}_{2}" width="101" height="35"/>
③
<img class="kfformula" src="20200629/1593420423553923.png" data-latex="Cu和{O}_{2}" width="66" height="27"/>
④
<img class="kfformula" src="20200629/1593420423316251.png" data-latex="Cu和{C1}_{2}" width="89" height="32"/>