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【单选题】
首次断喙在( )日龄,断喙时要确保断喙的准确性,断得不好的要及时补烫。A.
10-15
B.
6-9
C.
1-3
D.
3-5
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反馈参考答案：
举一反三
【简答题】功似龙骨而长于软坚散结的药物是（ ）
【简答题】Alkanes undergo reactions such as cracking, alkylation, oxidation, halogenation, nitration and so on.
【简答题】特异质反应(idiosyncratic reac-tion)
【多选题】What does commission mean?
A.
It's a reward given to an agent.
B.
It's based on the percentage of the sale.
C.
It's in proportion to the price at which the goods are bought or sold.
D.
It is paid to a salesperson for every sale that he or she makes.
【单选题】某中学上课时，高年级学生李某到教室外喊赵某，说有事让其出去一趟，班主任张某默许了，赵某走出教室后遭到李某殴打，导致右眼失明，对赵某所受伤害应当承担赔偿责任的主体是（）
A.
李某
B.
张某
C.
学校
D.
李某和学校
【简答题】Alkanes undergo reactions such as cracking, alkylation, oxidation, halogenation, nitration and so on.
【单选题】What kind of information does the man read about?
A.
A discount on computer monitors
B.
A sale on hard drives
C.
A new computer technology
D.
A job opening at a computer manufacturer
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