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【单选题】
两厚度相同但导热系数不同的双层平壁稳定热传导过程,已知两层温度差t1>t2,则通过两层的传热量()。
A.
Q1>Q2
B.
Q1=Q2
C.
Q1
D.
无法判断。
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【简答题】《孙权劝学》全文默写
【单选题】CC-Link 采用( )方式通过屏蔽双绞线进行连接,每个网络可由 1个 QCPU 主站和最多 64个子站组成。
A.
总线
B.
网络形
C.
环形
D.
树形
【单选题】Which of the following is true of mercantilism?
A.
Mercantilists believed that free trade is always beneficial for the trading nations.
B.
Mercantilists believed that under free trade each of the trading countries benefit equally.
C.
Mercantilists believed that a nation does not benefit directly from its exports.
D.
Mercantilism believed that national well-being was based on national holdings of gold and silver.
【单选题】()就是全面的阅读,是指不加删减的阅读文献全文。
A.
精读
B.
细读
C.
速读
D.
默读
【单选题】Early mercantilism was also called ( ).
A.
Bullionism
B.
Monetary Balance Theory
C.
Monetarism
D.
Mercantilism
【判断题】下垂式插花中,一般第一主枝不从花器口直接下降,而是先向斜上方伸出,再以圆滑的曲线向下垂挂更好。
A.
正确
B.
错误
【简答题】实验小组进行了测定某种食物中的能量的实验,他们小组准备测定的食物是花生、大豆和玉米。实验装置设计如图所示,请你帮助他们回答下面问题 (1)本小组要研究的问题是______________。 (2)作出的假设是_________________。 (3)请你预测一下,如果实验过程中把质量相同的花生、大豆和玉米点燃,加热相同质量、温度的清水,哪一个使水温升高的最多?__________________...
【单选题】Which of the following is NOT true about mercantilism?
A.
Under mercantilism, exports were encouraged and imports were discouraged.
B.
Mercantilists believed that one country’s gains from trade came at the expense of another country or countries’well being.
C.
Domestic producers were often hurt by mercantilism.
D.
Mercantilism focused on the accumulation of gold and silver bullion.
【判断题】CC-Link 采用树形方式通过双绞线进行连接,每个网络可由 1个 QCPU 主站和最多 32个子站组成。
A.
正确
B.
错误
【简答题】默写《劝学》全文
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