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【简答题】
线是点移动的轨迹,在几何学中,线具有位置和长度的一次元,没有 和 的概念;但是在立体构成中,线是具有长宽高的三度空间实体,线不只有 、 的变化,还有 的区别。
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【单选题】男性,36 岁急性出血,失血量约 700ml.神清,面色苍白,皮肤湿冷,血压 110/90mmHg,应属于
A.
无休克
B.
休克代偿期
C.
休克抑制期中度
D.
休克抑制期重度
E.
虚脱
【单选题】According to the author，the image of Lincoln conceived by contemporary people
A.
reveals the variety of current opinions on heroes．
B.
shows the present-day desire to emulate Lincoln．
C.
reflects the present—day tendency of worship．
D.
conforms to traditional images．
【单选题】It is acknowledged that ___ shortest distance between persons is ___ sincere smile. [ ]
A.
A; the
B.
The; /
C.
A ; /
D.
The ; a
【单选题】When we say that two objects have relative motion, we mean _____.
A.
the distance between them remains the same
B.
the distance between them is changing
C.
the position between them is not changing
D.
their positions to the earth remain the same
【单选题】男性，36岁，急性出血，失血量约700ml。神清，面色苍白，皮肤湿冷，血压110/90mmHg，脉搏98次/分，应属于
A.
无休克
B.
休克代偿期
C.
休克抑制期中度
D.
休克抑制期重度
E.
虚脱
【单选题】According to the passage, distance learning is considered to ______.
A.
completely change the way people acquire knowledge.
B.
be of little value for people's acquisition of knowledge.
C.
be useful in some aspects for the acquisition of knowledge.
D.
have great potential in guiding people to acquire knowledge.
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