1980年国家大地坐标系的坐标原点位于(),简称()。
参考答案:陕西省;西安原点
根据句意及首字母提示补全单词(5分)
小题1:The naughty girl d ________ the chair badly yesterday.
小题2:Please k______ at the door before you come into the teachers’ room.
小题3:They s________ in the Pacific Ocean, it was great.
小题4:There is a science m________ near our school . We often visit it.
小题5:Yang Liwei landed s________ after 21 hours.
新生儿生理性黄疸出现的原因不是由于
A.肝炎B.出生后红细胞破坏加快C.新生儿肝功能还不成熟D.肠内菌群尚未建立E.胎便排出延迟或开始喂奶延迟