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【简答题】
水静压力学基本方程式Z+P/ρg=常数中Z和p/ρg分别表示什么?
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【单选题】His mother had talked to him for many minutes while he was watching TV,  But_______.
A.
a little did he hear
B.
little did he hear
C.
little heard he
D.
a little heard he
【单选题】当以较小刀具前角、很大的进给量和很低的切削速度切削钢等塑性金属材料时,容易产生( )。
A.
带状切屑
B.
节状切屑
C.
崩碎切屑
D.
粒状切屑
【判断题】rit 是渐慢
A.
正确
B.
错误
【单选题】当以较小刀具前角、很大的进给量和很低的切削速度切削钢等塑性金属材料时,容易产生( )。
A.
带状切削
B.
节状切削
C.
崩碎切削
D.
崩碎切削
【单选题】His mother had talked to him for many minutes while he was watching TV,but ____.
A.
a little did he hear
B.
little did he hear
C.
little heard he
D.
a little heard he
【单选题】当以较小刀具前角、很大的进给量和很低的切削速度切削钢等塑性金属材料时,容易产
A.
带状切屑
B.
节状切屑
C.
崩碎切屑
D.
粒状切屑
【单选题】当以较小刀具前角,很大的进给量和很低的切削速度切削钢等塑金属材料时,容易产生()。
A.
带状切屑
B.
节状切屑
C.
崩碎切屑
D.
粒状切屑
【简答题】汉译英:教育对人的一生有着长期持久的影响。(... have a long-lasting effect on...)
【单选题】The author believes that ______.
A.
peers have little impact on children's development
B.
Ms Harris's work strengthens the developmentalists' views
C.
evidence should be provided to prove peer influence on child development
D.
Ms Harris's work had little effect on the developmentalists' 'nurture' argument
【判断题】客人是不同的,服务也就没有止境。
A.
正确
B.
错误
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