2018-201英语周报初一答案

第二节读后续写( One possible version)Fliss immediately took the purse to the local police station with Molly. When they arrivedFliss tied Molly to a fireplug outside and went in herself. She handed the purse to a police officerand explained everything. Greatly touched, he shook her hand and thanked her for doing her duty,promising that he would do his best to find the owner Fliss felt reassured and went back withMolly. The next day, a journalist called to make an appointment for an interview.When the journalist came, they two were on the beach. The journalist was surprised to findthat Molly was picking up litter, following her master. Fliss told the journalist it was on the wayto collecting litter that Molly had found the purse. Hearing this, Molly stopped, wagging her tailas if she understood the whole situation. Having learned about the whole story, the journalist gotto know what they did to protect the local beach. Surprised and impressed, the journalist tooksome pictures. The next day they were on the front page of the newspaper. A minor action couldmake wonders!(162 words)

5.D【解析】应用体外受精技术获得试管牛的过程为有性生殖,应用体细胞核移植技术获得克隆牛的过程为无性生殖。体外受精诱导同期发情需注射雌激素(孕激素),刺激超数排卵需注射促性腺激素。桑葚胚时期还没有内细胞团的分化。大量研究已证明,受体对移入子宫的外来胚胎基本上不发生免疫排斥反应不需要注射免疫抑制剂,这也是能够进行胚胎移植的生理学基础。

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