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【多选题】
多选题9针叶成3针一束的松树是
A.
B.
云南松
C.
火炬松
D.
雪松
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举一反三
【单选题】According to the task 2 listening part, answer the quetion below.Who is the teacher of the actress?
A.
Cheng Yanqiu
B.
Shang Xiaoyun
C.
Xun Huisheng
D.
Mei Lanfang
【简答题】Exercise 1. Translate the sentences. Who is the teacher that is giving an economics class?
【单选题】Who is the teacher _______ you'll never forget?
A.
who
B.
which
C.
that
D.
whom
【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
【简答题】For Plato, Aristotle and Socrates, who is the teacher of whom?
【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】He invented a plough ______ any other in existence.
A.
far superior to
B.
more superior than
C.
more superior to
D.
much superior than
【判断题】当工艺系统刚性满足时,可减小刀具主偏角,提高刀具寿命,当刚性差时,则增大主偏角。
A.
正确
B.
错误
【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】某城市最高日用水量为150000m3/d,用水日变化系数为1.2,时变化系数为1.4.则管网的设计流量应为( )。
A.
6250m3/h
B.
7500m3/h
C.
8750m3/h
D.
10500m3/h
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