多选题 The twigs of this shrub have a signature ______ whose pungency enables people to ______ the shrub even in winter when its leaves have fallen.

【正确答案】 B、F

【答案解析】[解析] ●whose引导定语从句，说明前后同义重复。
●空格与pungency(刺激性)同义重复。appearance外表，scent气味，texture纹理结构。答案选B。
●cultivate培养，conceal隐藏，identify辨识。代入选项，答案选F。