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【单选题】
与马尔萨斯模型和 Logistic 模型相比, Leslie 模型的优点是它( )。
A.
给出了人口年龄分布
B.
考虑了移民的因素
C.
模型参数容易确定
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【简答题】什么是流体?流体的特点是什么?
【多选题】1 0 .通常的PLC特殊扩展功能模块有哪些类型
A.
. I/O量扩展输出
B.
. 模拟量模块
C.
高速计数模块
D.
. 扩展单元模块
【单选题】在三变量卡诺图中,逻辑上不相邻的一组最小项为:( )
A.
m0与m4
B.
m1与m3
C.
m1与m2
D.
m2与m6
【多选题】流体质点具有的特点是
A.
宏观尺寸无限小
B.
微观尺寸无限大
C.
微观尺寸足够大
D.
可以忽略流体质点的质量
E.
尺度的大小同一切的流动空间相比微不足道,但又含有大量的分子。
【单选题】“拟态环境”的出现要求我们做到( )。
A.
笃实
B.
明辨
C.
勤学
D.
修德
【判断题】理想流体绕流圆柱面的特点是流体与圆柱面分离。()
A.
正确
B.
错误
【简答题】非牛顿流体中,震凝性流体的特点是什么?塑性流体的特点是什么?假塑性流体的特点是什么?涨塑性流体的特点是什么?
【单选题】被美国人誉为中国的《推销员之死》的作品是( )。
A.
《茶馆》
B.
《文成公主》
C.
《武则天》
D.
《关汉卿》
【多选题】Read these passive sentences. Select the sentence if the agent is necessary.
A.
I'm sorry, sir. All the cookies have been sold by a salesclerk.
B.
At the charity auction, everything will be sold by a famous chef.
C.
We don't order pizza from that place anymore: it's always delivered cold by the delivery person.
D.
That restaurant is far away. Their food is delivered by a man on a motorcycle.
E.
Karen got sick at the restaurant and was examined by a medical student.
F.
My friend is going to the doctor’s office and will be examined by the doctor at 10:30 a.m.
G.
The professor was honored by the university for her achievements.
H.
The documentary was watched by a TV audience of millions.
I.
Our ideas about nutrition can be influenced by ordinary people.
J.
Because my brother can never make up his mind, he is easily influenced by people.
【简答题】完形填空(共20小题;每小题1.5分,满分30分) 阅读下面短文,掌握其大意,然后从36—55各题所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上将该项涂黑。 Attracting People to You In West Virginia folklore there is a story of a country doctor. He was   36   late one n...
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