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【单选题】
最易发生过敏性休克的氨基糖苷类抗生素是（）A.
庆大霉素
B.
链霉素
C.
新霉素
D.
卡那霉素
E.
妥布霉素
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】有丝分裂与减数分裂 (Mitosis／Meiosis)
【单选题】Which of the following is unique to mitosis and not a part of meiosis?
A.
homologous chromosomes pair forming bivalents
B.
homologous chromosomes cross over
C.
chromatids are separated during anaphase
D.
homologous chromosomes behave independently
【简答题】古琴琴面之上有用于琴弦音位标志的（ ）个徽点。
【单选题】which of the following events occurs during mitosis but not meiosis?
A.
segregation of sister chromatids
B.
pairing of homologous chromosomes
C.
alignment of chromosomes on the metaphase plate
D.
crossing-over between homologous chromosomes
E.
none of the above
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