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【多选题】
减弱星历误差的方法包括：__________。A.
建立自己的卫星跟踪网独立定轨
B.
轨道松弛法
C.
延长观测时间
D.
同步观测值求差
E.
选择合适的站址
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
【单选题】用分杯方法冲泡绿茶的特点( )
A.
品饮者喝到的同一泡茶汤浓淡不一
B.
不能控制出汤时间，容易产生苦涩味
C.
可以更好的控制每一道茶汤的色、香、味
D.
上层味淡，下层味浓，有不同的喝茶体验
【简答题】担保物权包括：() A抵押权 B质权 C留置权 D定金
【单选题】______is a poem concerned with the spiritual breakup of a modern civilization in which human life has lost its meaning, significance and purpose.
A.
The Waste Land
B.
Elegy Written in a Country Churchyard
C.
The Rime of the Ancient Mariner
D.
Prometheus Unbound
【单选题】According to the passage, the way to prevent economic breakup in the time of hyperinflation is to
A.
increase the amount of money
B.
establish new taxing procedures
C.
learn experience from foreign counties
D.
tax every citizen of the country
【单选题】The breakup of families is likely to lead to homelessness because a parent with kids may ______.
A.
lose his or her job in today's economy
B.
be unable to look after the kids
C.
not have enough income
D.
find residence at a homeless shelter
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