2021-2022 英语周报 高一 GZ 2答案

38(除标注外每空2分,共15分)(1)耐高温引物(2)启动子、终止子抗原抗体杂交(3)共用一套密码子(4)@抗原蛋白质在宿主细胞内能持续表达(3分)

第四部分写作第一节Last Wednesday was the day before two important festivals Mid-autumn Day andNational Day. We'd have eght dadeay off. so all the classmates were very exciting that we couldgo home. However, I was a little sad because I had to be left behind the others forI hadn't finished my recitation work give by our English teacher. LastTuesday, in English class, our teacher assigned our homework in the holiday but told us that(或:for改为in)he had an important meeting to attend and won't give us lessons A next day. He alsowouldn tannounced to the class that I could leave the school as others. Heard this, I smiled andHearingtold him I was sure to finish them in the holiday

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