皮皮学，免费搜题
登录
搜题
【多选题】
下列关于测量误差的说法,正确的有():A.
测量误差按性质可分为系统误差和偶然误差
B.
系统误差可以通过测量方法加以消除,所以测量成果中没有系统误差
C.
经纬仪视准轴误差属于偶然误差
D.
为了减弱仪器i角误差,水准测量采用控制视距差及视距累积差的方法
E.
误差来源于仪器、观测人员和外界环境三方面因素
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】Упражнение 连词成句。以下6题。 1. Я, на́до, сходи́ть, в, банк.
【单选题】妊娠合并急性病毒性肝炎,下列不正确的是
A.
原则上肝炎患者不宜妊娠
B.
早孕期不宜终止妊娠，以免增加肝负担
C.
妊娠继续时，注意防止妊高征
D.
分娩时缩短第二产程及防止产后出血
E.
防止DIC发生
【单选题】Why do we say that the development of British government is a gradual progress towards democracy?
A.
The Monarch keeps in closer touch with the common people than before.
B.
The power is distributed evenly among the three supreme authorities.
C.
The ordinary people have come to enjoy supremacy with the gradual loss of the Monarch's political power.
D.
The commons discard the Queen.
【单选题】Why do we say that lawyers are one of the most reactionary forces in American society?
A.
They practice the art of distortion in an effort to win legal games where we need honest communications.
B.
They promote conflict and blame when we need cooperation and self-responsibility.
C.
They promote division where we need unity.
D.
All of the above.
【简答题】一、短语填空。 1.参加比赛 2.一个演讲比赛 3.赢得奖励 4.度过一个梦想假期 5.祝你好运 6.考虑...... 7.需要做某事 8.编写,写作 9.编写,创作 10.邀请某人做某事
相关题目：