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【单选题】
关于电化学分析技术叙述正确的是A.
利用电极电位和浓度之间的关系来确定物质含量
B.
利用吸光度和浓度之间的关系来确定物质含量
C.
其根据的是能方程式
D.
其根据的是比尔定律
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举一反三
【单选题】________ display of fireworks lit up the sky.
A.
introspective
B.
subdued
C.
stunning
D.
supreme
【简答题】A Fourth of July ____(celebrate) includes a display of fireworks.
【单选题】The fellow was said to be _____ of a scholar. As _____ turned out, he was a cheat.
A.
something; he
B.
much; he
C.
something; it
D.
nothing; it
【单选题】He opened his mouth as if _______ something. [ ]
A.
saying
B.
said
C.
to say
D.
be said
【单选题】(Although) I expected (something) different, I was still (surprised) by (which) he said.
A.
Although
B.
something
C.
surprised
D.
which
【单选题】He said something and I understood it. He said something _________ I understood.
A.
who
B.
whose
C.
whom
D.
which
【单选题】下列说法中，正确的是( )。
A.
调制解调器用来实现模拟信号之间的通信
B.
调制解调器只能数字信号转换为模拟信号，反之不可
C.
调制解调器用来实现数字信号之间的通信
D.
调制解调器用来实现数字信号和模拟信号的转换
【单选题】Some First Night celebrations end with a fireworks display.
A.
一些迎新庆典结束时会有烟火表演。
B.
烟火在第一夜庆祝结束时开始表演。
C.
烟火在某个迎新庆典结束时进行表演。
【单选题】— Was it what he said or something that he did ______ made you cry so sadly，Sarah? — No，not really．
A.
which
B.
that
C.
when
D.
what
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