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【简答题】
1-2、请分别答出分光光度法、原子吸收分光光度法、电位分析法、库仑分析法、气相色谱法的方法原理,并认真复习“仪器分析”课程中的有关内容。
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举一反三
【单选题】It’s very convenient ______ us to buy train tickets now because we can buy them either from the station or on the Internet.
A.
to
B.
of
C.
by
D.
for
【单选题】【单选】When dragging of an anchor occurs, you must back it up with a piggyback (backing) anchor or__________.
A.
reduce the riser tension
B.
reposition it at a greater range
C.
change the winch
D.
change the anchor heading
【单选题】When dragging of an anchor occurs, you must be back it up with a piggyback (backing) anchor or _____.
A.
reduce the riser tension
B.
reposition it at afreater range
C.
change the winch
D.
change the anchor heading
【简答题】你写完作文了吗?
【单选题】For environmental reasons，we as well take these waste products and have them recycled.
A.
shou1d
B.
would
C.
might
D.
could
【单选题】When dragging of an anchor occurs, you must be back it up with a piggyback (backing) anchor or _____.
A.
reduce the riser tension
B.
reposition it at a greater range
C.
change the winch
D.
change the anchor heading
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