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【单选题】
在实验中,以下哪种做法是错误的?A.
一旦浓硫酸落在人体身上时，用 4.5% 乙酸或 1.5% 左右的盐酸中和洗涤
B.
一旦浓硫酸落在人体身上时，以弱碱（ 2% 碳酸钠）或肥皂液中和洗涤
C.
一旦碱液落在皮肤上时，用 4.5% 乙酸或 1.5% 左右的盐酸中和洗涤
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皮皮学刷刷变学霸
举一反三
【单选题】Westerners are familiar with the journalistic interview ______.
A.
but most of them wish to stay away from it
B.
and many of them hope to be interviewed some day
C.
and many of them would like to acquire a tree understanding of it
D.
but most of them may not have been interviewed in person
【单选题】Westerners are familiar with the journalistic interview, but most of them may not have been interviewed in person.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】Westerners are familiar with the journalistic interview ______.
A.
but most of them wish to stay away from it
B.
and many of them hope to be interviewed some day
C.
and many of them would like to acquire a true understanding of it
D.
but most of them may not have been interviewed in person
【简答题】饲料中出现毒害作用的可能原因有哪些?
【单选题】Westerners are familiar with the journalistic interview ______.
A.
but most of them wish to stay away from it
B.
and many of them hope to be interviewed some day
C.
but most of them may not have been interviewed in person
D.
and many of them would like to acquire a true understanding of it
【简答题】Westerners are familiar with the journalistic interview, ________. A) but most of them wish to stay away from it B) and many of them hope to be interviewed some day C) and many of them would like to a...
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