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【单选题】
下列关于植物组织培养的叙述中，错误的是 [ ]A.
培养基中添加蔗糖的目的是提供营养和调节渗透压
B.
培养基中的生长素和细胞分裂素影响愈伤组织的生长和分化
C.
离体器官或组织的细胞都必须通过脱分化才能形成愈伤组织
D.
同一株绿色开花植物不同部位的细胞经培养获得的愈伤组织基因型相同
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【简答题】Mira al chico del carrito.
【单选题】Ya herido, el chico .
A.
siguío patinando
B.
se quedó sentado al lado
C.
llamó al médico
D.
se fue al hospital él mismo
【简答题】What I noticed first about my new parrot, Chico, was that he couldn’t fly. His wings had been cut short and he was stuck on the 1 just like us humans. When the weather turned nice, I took Chico outsid...
【简答题】¿Tiene fiebre el chico?
【单选题】请为问句:¿Quién es ese chico?选择最佳答案
A.
Me llamo Li.
B.
es Paco.
C.
el chico es cubano.
D.
es alumno
【简答题】Violent gangs. Bar fights. Broken bones. No, we aren’t talking about a late night in Downtown Chico; we’re talking about the things that come to many people’s minds when the word, motorcycle, is menti...
【简答题】翻译题: 어느 누구도 그에게 불만을 품거나 거역할 수 없었다.
【简答题】完形填空。 What I noticed first about my new parrot, Chico, was that he couldn't fly. His wings had been cut short and he was stuck on the 1 just like us humans. When the weather turned nice, I took Chico ...
相关题目：
【单选题】请为问句:¿Quién es ese chico?选择最佳答案
A.
Me llamo Li.
B.
es Paco.
C.
el chico es cubano.
D.
es alumno