题目

对基因组文库的描述，不正确的是（    ） A．含有某种生物的全部基因               B．基因中含有启动子和内含子 C．文库的基因是通过受体菌承载的         D．文库中的全部基因可以在物种间交流 答案：D根据情景对话，选择正确的选项 You're going to your seat in the cinema. Someone is sitting in the seat next to yours. So you say to him, “________.” [　　] A．Let me pass, pleaseB．Sorry I'm late C．Excuse meD．That's my seat