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【简答题】
为下列操作选用一种合适的实验室中常用的玻璃仪器（2）用直接法配制250.00 mL K2Cr2O7标准液，用250ml的 配制。
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反馈参考答案：
举一反三
【简答题】头脑风暴训练的基本原则是（ ）
【单选题】The little boy had three ______ for breakfast. [ ]
A.
loaf of bread
B.
loafs of bread
C.
loaves of bread
D.
loaves of breads
【单选题】There was _____ else at home that day, so the little boy had to look after himself. [ ]
A.
none
B.
nothing
C.
somebody
D.
nobody
【单选题】The little boy had had a long day; he was felling drowsy .
A.
lazy
B.
sleepy
C.
exhausted
D.
sad
【单选题】Since the little boy had no previous convictions , what should the police do with him?
A.
strong beliefs
B.
criminal records
C.
intelligent beliefs
D.
faithful opinions
【单选题】_____ alone in the large house, the little boy had to learn to survive by himself. [ ]
A.
To leave
B.
Leaving
C.
Left
D.
Being left
【单选题】血清中某些酶活性升高的原因是:
A.
细胞受损使细胞内酶释放入血
B.
体内代谢降低使酶的降解减少
C.
细胞内外某些酶被激活
D.
摄取某些维生素过多引起组织细胞内的辅酶含量增加
E.
某些酶由尿中排出减少
【简答题】头脑风暴训练的基本原则 （ ）
【单选题】血清中某些酶活性升高的原因是
A.
细胞受损使细胞内酶释放入血
B.
体内代谢降低使酶的降解减少
C.
细胞内外某些酶被激活
D.
摄取某些维生素过多引起组织细胞内的辅酶含量增加
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