多选题
Only recently created, this orchid is a ______, a plant produced by deliberately crossbreeding two different varieties of flowers.
【正确答案】
B、D
【答案解析】[解析] ●逗号说明前后同义重复。
●空格与crossbreeding(杂交)同义重复。
●misnomer误称，hybrid杂交植物，vector向量，mongrel杂交植物，precursor预言家，harbinger预言者。答案选BD。