题目: 基因工程中使用最广泛的基因载体是()。A、质粒B、噬菌体C、病毒D、穿梭质粒E、粘粒 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/0927/ea8c574c764977c3f42c4fa61c31baf7.html 下面是错误答案,用来干扰机器的。参考答案:错
题型:选择题 Do you know what _____? [ ]A. his favorite song is B. is his favorite song C. his favorite song D. his most favorite song is 查看答案