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【判断题】
食用菌在分类地位上多数属于担子菌，少数属于子囊菌。A.
正确
B.
错误
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举一反三
【单选题】单项选择。 — ______ is the computer? — Five thousand yuan. [ ]
A.
How many
B.
How much
C.
How long
D.
How far
【多选题】人际交往能力是指妥善处理组织内部关系的能力,包括( )。
A.
与周围环境建立广泛联系
B.
和对外界信息的吸收转化能力
C.
正确处理上下左右关系
D.
获取知识与信息
【单选题】Steven thirds that his computer system
A.
is just as fast as the latest systems.
B.
is much faster than Elizabeth's present system.
C.
is completely different to the newest systems.
【单选题】( )是指妥善处理组织内外关系的能力,包括与周围环境建立广泛联系和对外界信息的吸收、转换能力,以及正确处理上下左右关系的能力。
A.
经营管理能力
B.
人际交往能力
C.
创新能力
D.
决策能力
【单选题】The sentence “It is difficult to answer that question” (in para. 2) means ____.
A.
that question is not difficult to answer
B.
that question is difficult to answer
C.
it is different to answer that question
D.
it is important to answer that question
【简答题】阅读理解 Every one has his own way of saying things and his own special expressions. Many American everyday expressions are from colors. Red is a hot color. Americans often use it to express 'heat'. They ...
【简答题】2-4 、离心式风机叶轮外径 D 2 =600mm ,叶轮出口宽度 b 2 =150mm ,叶片出口几何角 β 2g =30° ,转速 n=1450 r/ min 。设叶轮进口无气旋,空气密度 ρ=1.2kg/m 3 。 试 求: ( 1 )当流量为 10×10 3 m 3 /h 时,叶轮的相对速度 ω 2 和绝对速度 v 2 ; ( 2 )叶片无限多时的理论全压 p T ∞ ; ( 3 )叶片无...
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