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【单选题】
下列配伍变化，属于物理配伍变化的是()。A.
品与酸性药物配伍产生甲醛
B.
硫酸镁溶液与碳酸氢钠溶液混合产生沉淀
C.
芳香水中加入一定量的盐可使挥发油分离出来
D.
维生素B12与维生素C混合制成溶液时，维生素B12效价显著降低
E.
水杨酸遇铁盐颜色变深
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【单选题】It is an exciting moment for Chinese people this year， __________for the first time theOlympic Games will be held in China．
A.
that
B.
while
C.
Which
D.
when
【简答题】My daughter finally lost her first tooth. She waited for this moment for more than a year. Most of the kids in the first grade lost not only one tooth, but several. But my daughter kept waiting impati...
【单选题】It was an exciting moment for these football fans this year, ______for the first time in years their team won the World Cup.
A.
that
B.
while
C.
which
D.
when
【单选题】各种细胞色素在呼吸链中的排列顺序是
A.
C → C 1 → b → aa 3 → O 2
B.
C → b 1 → C 1 → aa 3 → O 2
C.
b → C 1 → C → aa 3 → O 2
D.
b → C → C 1 → aa 3 → O 2
【简答题】2如果有密码,取钱以前要输入密码,还要在_______上签名。
【单选题】各种细胞色素在呼吸链中的排列顺序是
A.
c →b 1 →c 1 →aa 3 →O 2
B.
b→c→c 1 →aa 3 →O 2
C.
c 1 →c→b→aa 3 →O 2
D.
b→c 1 →c→aa 3 →O 2
【单选题】各种细胞色素在呼吸链中的排列顺序是
A.
b→c1→c→aa3
B.
c1 → b →c→aa3
C.
aa3 → b →c→ c1
D.
aa3 → c → b →c1
【简答题】It was an exiting moment for these football fans this year,_________ for the first time in years their team won the World Cup.
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