题目

第二节：读写任务（共1小题，满分25分） 阅读下面的短文，然后按照要求写一篇150词左右的英语短文。 Dear editor,     Students of today are reading more than ever before. Indeed, the importance of reading can never be too much stressed. First of all, reading, especially out-of-class reading, enriches our mind and broadens our horizon. People say that books are the crystal of human wisdom. Through reading, we learn what cannot be learnt in our classrooms. Besides, reading is also a way of relaxation. It is so refreshing to read a story before going to bed胚胎工程中，选取哪部分结构签定胚胎性别（     ）A．滋养层B．细胞团C．透明带D．囊胚腔