科学家将人的某基因转移到羊的细胞中，培育出了能分泌含人乳铁蛋白乳汁的羊，该生物技术属于（  ）

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    Traveling abroad during the vacation is the top choice of many Chinese people. But do we have good manners abroad?

    On Feb 25, a report said that a Chinese mother let her child pee (小便) in front of a shop in Tokyo. A journalist came to the mother. Instead of saying sorry, the woman said that her child had peed inside a plastic bag and had not made the floor dirty.

    This case has caused a big discussion about Chinese people' s traveling manners again.

    In recent years, improper behavior has become a real embarrassment for China as overseas tourism increases. With the improvement of living standards, more and more Chinese are traveling abroad. But there are still a number of Chinese lacking in (缺乏) a sense of public manners. For this situation, the Chinese government has suggested proper manners. The National Tourism Administration has made a list of tourists' worst behaviors, including littering, line-jumping, taking off shoes and socks in public, speaking loudly and smoking in non-smoking areas.

    We are going to improve the inner being of every Chinese citizen. “Traveling manners are a turning point.” said an official. And changes have begun to appear. Most people minded their behaviors during this Spring Festival holiday, according to the National Tourism Administration. They kept their voice down, waited in line and respected local rules.

玲玲还写了绘制校园平面图的工作步骤：①标注文字和注记；②根据比例尺和图例绘图；③设置所表示事物的图例，如楼房、运动场、校门、校道、绿地、水池等；④根据校园的实际，确定平面图的方向；⑤用卷尺测量校园周边距离，选择合适的比例尺。

 结合上述活动过程，解决下列问题：