【单选题】【消耗次数：1】
39. A survey was carried out on the death rate of those who were infected by SARS, ________were surprising.
①
asresults
②
whichresults
③
theresultsofit
④
theresultsofwhich
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相关题目
【单选题】
A survey was carried out on the death rate of new born babies in that region,________were surprising.
①
as results
②
which results
③
the results of it
④
the results of which
【单选题】
17. A survey was carried out on the death rate of new-born babies in that region, ____were surprising.
①
as results
②
which results
③
the results of it
④
the results of which
【单选题】
The open university was started in order to help those who ___ having a university education when they were young.
①
stopped
②
failed
③
missed
④
ceased
【单选题】
Those gifts o rare books that were given t us were deeply _____.
①
appreciated
②
approved
③
appealed
④
applied
【单选题】
It turned out that the children were not _____for the accident.
①
to blame
②
to be blamed
③
to be blaming
④
to have been blaming
【单选题】
The noise was so ____ that only those with excellent hearing were aware of it.
①
dim
②
soft
③
faint
④
gentle
【单选题】
Many people who had seen the film were afraid to go to the forest when they remembered the scenes ___ people were eaten by the tiger.
①
that
②
by which
③
which
④
in which
【单选题】
A country ________ birth rate is higher than its death rate will have an increasing population.
①
who
②
which
③
whose
④
where
【单选题】
The door opens, and who should enter but the very man we were talking of.
①
A．门开了，谁想到进来的正是我们刚才谈论的人。
②
B．门开了，除了那个我们正在谈论的人，谁应该进来?
③
C．门开了，谁还能进来，不就是那个我们刚才还在谈论的人嘛。
④
D．门开了，果然是我们刚才谈论的人进来了。
【单选题】
The 1,400 fans were on their best （ ） and filed out peacefully at the end.
①
deed
②
behavior
③
act
④
performance
随机题目
【单选题】
下列物质中不会因见光而分解的是（ ）。
①
<img class="kfformula" src="20200706/1594027572463196.png" data-latex="{AgNO}_{3}" width="96" height="45"/>
②
<img class="kfformula" src="20200707/1594093115509398.png" data-latex="HCLO" width="83" height="40"/>
③
<img class="kfformula" src="20200706/1594027572201456.png" data-latex="{HNO}_{3}" width="84" height="45"/>
④
<img class="kfformula" src="20200706/1594027572890783.png" data-latex="{NaHCO}_{3}" width="120" height="45"/>
【单选题】
下列说法正确的是（ ）。
①
欲除去<img class="kfformula" src="20200706/1594027350354909.png" data-latex="{Cl}_{2}" width="49" height="36"/>中少量<img class="kfformula" src="20200706/1594027350127415.png" data-latex="HCl" width="50" height="32"/>气体，可将此混合气体通过盛饱和食盐水的洗气瓶
②
漂白粉有效成分是<img class="kfformula" src="20200706/1594027350766561.png" data-latex="CaC{l}_{2}" width="88" height="34"/>和<img class="kfformula" src="20200708/1594171459244978.png" data-latex="Ca(ClO{)}_{2}" width="92" height="31"/>，应密闭保存
③
向久置的氯水中滴入紫色石蕊试液，溶液将先变红后褪色
④
实验室用<img class="kfformula" src="20200706/1594027350321523.png" data-latex="{MnO}_{2}" width="90" height="36"/>和稀盐酸加热法制<img class="kfformula" src="20200706/1594027350257708.png" data-latex="{Cl}_{2}" width="58" height="34"/>
【单选题】
某元素x的气态氢化物化学式为<img class="kfformula" src="20200706/1594027764184798.png" data-latex="{H}_{2}X" width="59" height="35"/>，下面的叙述不正确的是( )。
①
该元素最高价氧化物的化学式为<img class="kfformula" src="20200706/1594027764536194.png" data-latex="{XO}_{3}" width="74" height="39"/>
②
该元素是非金属元素
③
该元素最高价氧化物对应水化物的化学式为<img class="kfformula" src="20200706/1594027764169500.png" data-latex="{H}_{2}{XO}_{3}" width="72" height="43"/>
④
该元素的原子最外层上有6个电子
【单选题】
在一个2L的容器中，放入2mol气体A ，5分钟后，测得气体A还剩余0.5mol，该反应中气体A的化学反应速率是（）。
①
0.75mol/(L·min)
②
0.075mol/(L·min)
③
0.15mol/(L·min)
④
1.5mol/(L·min)