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【单选题】
《中国药典》规定,盐酸肾上腺素注射液含量测定的方法是( )。A.
滴定法
B.
紫外-可见分光光度法
C.
气相色谱法
D.
高效液相色谱法
E.
非水溶液滴定法
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举一反三
【单选题】He still remembers ______ to Shanghai when he was very young.
A.
taking
B.
being taken
C.
taken
D.
to take
【单选题】He still remembers the place ______ we visited last year?
A.
that
B.
where
C.
when
D.
in which
【简答题】人像公式构图法一般分为( )、( )、( )、( )和( )五种景别。
【简答题】以不同的初速度将两个物体同时竖直向上抛出并开始计时。一个物体所受空气阻力可忽略，另一个物体所受空气阻力大小与物体速率成正比。下列用虚线和实线描述两物体运动的v-t图象，可能正确的是（ ）。
【单选题】Jim has retire, but he still remembers the happy time ___with his students.
A.
to spend
B.
spend
C.
spending
D.
spent
【单选题】Now he still remembers ____ it ____ him to get the chance.
A.
that; took
B.
what; cost
C.
how; cost
D.
what; forced
【单选题】He still remembers __________ to Shanghai when he was a child .
A.
taking
B.
to take
C.
to be taken
D.
being taken
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