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【单选题】
固相混杂的双相区域的宽窄,即凝固区域的宽度,对合金的流动性又较大的影响。下列不会影响到凝固区域宽度的因素是( )A.
铸型的激冷能力
B.
合金的凝固温度范围
C.
合金的导热系数
D.
合金的固态收缩量
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【简答题】All your changes of the plan have made me totally ___________ (confusion). 2 . He has already achieved his main ___________ (ambitious) in life—to become wealthy. 3 . All the pleasures and ___ _ _____...
【简答题】All your changes of the plan have made me totally _______________ (confusion).
【简答题】听对话，选择正确的选项。 1. What does the woman mean? A. She wants to go to the party tomorrow. B. Mary has time to go to the party. C. She has been to the party. 2. What does the man like to have for desert? A ...
【单选题】What does the author mean by saying 'there was one past-history rather than histories'?
A.
History is a human choice which cannot be remade.
B.
Every language has its own way of describing the past.
C.
Every nation accepts only one version of its history.
D.
What is important in history can only be determined by the present.
【单选题】You are one of the network administrators for your company. All network servers run Windows Server 2003. Your company operates a total of four offices. The office where you work has 15 servers. You ar...
A.
On each server in your office, use Performance Logs and Alers to create a baseline log. Configure the log to collect data every five minutes for one day. Use the same counters for each server to create a log file. Schedule the log to run weekly.
B.
From a monitoring computer, use Performance Logs and Alerts to create a baseline log for each server in your office. Configure the log to collect data every five minutes for one day. Use the same counters for each server to create a log file. Schedule the log to run weekly.
C.
On each server in your office, use Performance Logs and Alerts to create threshold-based alerts. Configure the alerts to send a message to your monitoring computer when they are triggered. Set each alert to start a new scan when the alert finishes.
D.
From a monitoring computer use Performance Logs and Alerts to create a new counter set in System Monitor. Configure the counters to run continuously.
【简答题】Your changes of plan have made me totally ( ).
【单选题】Your changes of plan have made me totally ___________.
A.
schedule
B.
circle
C.
relatively
D.
freshman
E.
sophomore
【单选题】What does the man mean?
A.
He wag ts to get rid of his broken radio.
B.
He wants the woman's husband to repair his radio.
C.
He wants the woman to repair the radio.
【单选题】What does the author mean by saying 'there was one past-history rather than histories'?
A.
History is a human choice which cannot be remade.
B.
Every language has its own way of describing the past.
C.
Every nation accepts only one Version of its history.
D.
What is important in history can only be determined by the present,
【多选题】 关于热现象和热学规律,下列说法中正确的是( )。
A.
温度升高，每一个分子的热运动速度都增加
B.
第二类永动机不可能制造成功的原因是因为能量既不会凭空产生，也不会凭空消失，只能从一个物体转移到另一个物体，或从一种形式转化成另一种形式
C.
用活塞压缩气缸里的气体，对气体做了2.0×10 5 J的功，若气体向外界放出1.5×10 5 J的热量，则气体内能增加了0.5×10 5 J
D.
利用浅层海水和深层海水之间的温度差制造一种热机，将海水的一部分内能转化为机械能是可能的
E.
内能不同的物体，它们分子热运动的平均动能可能相同
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