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【单选题】
初始条件是指
A.
如以某时刻作为时间的起算点,在该时刻导热物体内的温度分布
B.
物体边界与周围流体间的表面传热系数h及周围流体的温度tf
C.
给定物体边界上任何时刻的温度分布
D.
给定物体边界上任何时刻的热流密度q w分布
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【简答题】The managing director promised that he would _____ meas soon as he had any further information. A. communicate    B. notice    C.notify    D. note
【单选题】He knew the problem was serious and promised to look into it _____ he reached office.
A.
at that moment
B.
for that moment
C.
immediately
D.
soon
【简答题】When he left his parents he promised them that he would ______(尽量多写家信).
【判断题】从二极管伏安特性曲线看,二极管是属于线性元器件。
A.
正确
B.
错误
【简答题】(68-71题共用题干) 第68题:
【单选题】He knew the problem was serious and promised to look into it ____ he reached office. [     ]
A.
at that moment
B.
for that moment
C.
soon
D.
immediately
【简答题】He had promised me to come to the party, and_____. A. sodid he            B. sohe did C. so hewould          D. so would he
【单选题】“Mr Smith isn’t coming tonight.” “ But he _____.”
A.
promises
B.
promised
C.
will promise
D.
had promised
【单选题】He ____ to come today, but he didn't keep his ____. [     ]
A.
promise; promise
B.
promised; promised
C.
has promised; promise
D.
promised; promise
【简答题】(68-72题共用题干) 第68题:
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