The Direct Method got its name from the assumption that meanings are to be connected directly with ______, without going through the process of translating into the students' native language.

A. the first language



B. the native language
C. the target language


D. the learner's language

下列关于植物组织培养的叙述，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相同