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【多选题】
维生素B1含量测定的方法很多，以下可以用于维生素B1含量测定的方法有A.
非水滴定
B.
紫外可见分光光度法
C.
硫色素法
D.
高效液相色谱法
E.
四氮唑比色法
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【单选题】Is this the school _________ you visited some foreigners a few months ago?
A.
that
B.
which
C.
the one
D.
where
【单选题】(2013·河北石家庄教学质检Ⅱ)Liang Bo, the champion of the Voice of China, is a man of ________ few words but has ________ remarkable inner strength.
A.
/; a
B.
a; a
C.
the; /
D.
/; the
【单选题】TO FOREIGNERS, few things seem as peculiarly British as the habit of sending young children away from home to school. At first glance, boarding schools are thriving, with almost 70,000 children within...
A.
posing a contrast
B.
justifying an assumption
C.
making a comparison
D.
explaining a phenomenon
【单选题】At the inauguration ceremony, the newly elected president ______ his speech with a few words of thanks to his supporters.
A.
preceded
B.
proceeded
C.
precluded
D.
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