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【单选题】
关于粮油籽粒中游离脂肪酸的说法,错误的是A.
粮油籽粒中游离脂肪酸的存在及其含量多少是脂肪品质下降的重要标志之一
B.
在粮油籽粒中，绝大部分的脂肪是作为复合脂类的基本结构成分而存在的，以游离形式存在的脂肪酸含量很少
C.
用苯提取粮油籽粒中游离脂肪酸，再用一定浓度的NaOH溶液滴定可以快速测定样品中游离脂肪酸含量。
D.
二次滴定法可以分别测定粮油籽粒中游离饱和脂肪酸和不饱和脂肪酸的含量。
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【单选题】He is deeply _______ in the trouble of his company.
A.
involved
B.
occurred
C.
packed
D.
represented
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A.
thought
B.
had thought
C.
would think
D.
was thinking
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A.
that
B.
where
C.
which
D.
when
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A.
deep; deep
B.
deeply; deeply
C.
deeply; deep
D.
deep; deeply
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【单选题】When deeply absorbed in work, ________ he often was, he would forget all about eating or sleeping.
A.
that
B.
which
C.
where
D.
when
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A.
Because
B.
Aithough
C.
In order
D.
So that
【简答题】编辑氢气的制备化学反应方程式并以图片 ( 学号加姓名命名 ) 的方式上传。
【简答题】根据对话内容，选择正确的选项，两项多余。 Doctor: What's the matter with you, Cindy? Cindy: 1.________ Doctor: When did it start? Cindy: 2.________ Doctor: Please lie down on the bed and I'll examine you. Cindy: Yes, doct...
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