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【单选题】
用重量法测定C2O42-含量，在CaC2O4沉淀中有少量MgC2O4沉淀，会对测定结果有何影响？（ ）A.
产生正误差
B.
产生负误差
C.
不影响
D.
难以确定其影响
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【简答题】You will never persuade him , he is as stubborn as a mule .
【简答题】as stubborn as __________
【简答题】As stubborn as a ______ 犟牛
【单选题】Don’t try to change her mind. She is as stubborn as a/an ______.
A.
horse
B.
mule
C.
hedgehog
D.
---
【单选题】In English, they would decribe a stubborn person by say you are as stubborn as a mule. What about in Chinese?
A.
You are as stubborn as a ox.
B.
You are as stubborn as a dinkey.
【单选题】Don’t try to change her mind. She is as stubborn as a/an ______.
A.
horse
B.
mule
C.
hedgehog
【单选题】In English, they would decribe a stubborn person by say you are as stubborn as a mule. What about in Chinese?
A.
You are as stubborn as a ox.
B.
You are as stubborn as a donkey
【简答题】Please choose the proper words for each phrase. hare horse snail mouse bee mule as busy as a ______ as slow as a ______ as stubborn as a ______ as timid as a _____ as strong as a _____ as po...
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