皮皮学,免费搜题
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【单选题】
肠道动力学说正确的是
A.
肠道细菌、毒素的移位
B.
肠道细菌、毒素的灭亡
C.
肠道细菌、毒素失去作用
D.
肠道对缺血不敏感
E.
肠道功能很难破坏
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【简答题】某城市最高日用水量为 150000m 3 / d ,给水系统设有取水泵房、水处理厂、供水泵房、输水管渠、配水管网、调节水池。已知该城市用水日变化系数 =1 . 2 ,时变化系数 =1 . 4 ,水厂自用水量为 5 %。( 1 )若不计输水管渠漏失水量,计算取水泵房的设计流量为为多少?( 2 )若管网内调节水池在用水最高时可向管网供水 900m 3 / h ,计算向供水管网供水的供水泵房的设计流量为...
【简答题】Charlie is a very introverted boy. Watch the following video clip about his first day in high school.Answer the following questions. How many days does Charlie have to spend in high schools? Why would...
【单选题】Who is the teacher ________ you asked for leave?
A.
who
B.
whom
C.
whose
D.
that
【单选题】Who is the teacher _______ you'll never forget?
A.
who
B.
which
C.
that
D.
whom
【单选题】The man ______ is our new headmaster.
A.
who the teacher is talking to him
B.
whom the teacher is talking
C.
the teacher is talking to
D.
who the teacher is talking
【单选题】某城市最高日用水量为 150000m 3 / d,给水系统设有取水泵房、水处理厂、供水泵房、输水管渠、配水管网、调节水池。已知该城市用水日变化系数=1 . 2,时变化系数=1 . 4,水厂自用水量为5%。若不计输水管渠漏失水量,计算取水泵房的设计流量为( )。
A.
6563 m 3 / h;
B.
6250 m 3 / h;
C.
9188 m 3 / h;
D.
7656m 3 / h。
【单选题】某城市最高日用水量为150000m 3 /d,给水系统设有取水泵房、水处理厂、供水泵房、输水管渠、配水管网、调节水池。已知该城市用水日变化系数为1.2,时变化系数为1.4,水厂自用水量为5%。若不计算输水管渠漏失水量,计算取水泵房的设计流量为()
A.
6250m 3 /h
B.
9188m 3 /h
C.
6563m 3 /h
D.
7656m 3 /h
【多选题】W hich of the following are TRUE about Shennong’s innovations?
A.
He invented the farming tool, Lei ( 耒 ) .
B.
He invented the farming tool, plough( 犁 ).
C.
He invented the farming method, burying seeds into the soil.
D.
He discovered the herb, tea.
【单选题】某城市最高日用水量为150000m 3 /d,给水系统设有取水泵房、水处理厂、供水泵房、输水管渠、配水管网、调节水池。已知该城市用水日变化系数为1.2,时变化系数为1.4,水厂自用水量为5%。若管网内调节水池在用水最高时可向管网供水900m 3 /h,计算向供水管网供水的供水泵房的设计流量为()
A.
8288m 3 /h
B.
7850m 3 /h
C.
5350m 3 /h
D.
6250m 3 /h
【单选题】Who is the teacher of Alexander the Great? ( 哲学 - 亚里士多德 )
A.
Pluto
B.
Socrates     Dante  Aristotle
C.
Dante
D.
Aristotle
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