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【单选题】
断面剖切符号的编号,应注写在剖切位置线的一侧;()为该断面的剖视方向。
A.
编号所在的另一侧
B.
编号所在的一侧
C.
剖视方向线
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举一反三
【单选题】二元函数 的极大值点是( )
A.
(1,0)
B.
(0,1)
C.
(0,0)
D.
(1,1)
【单选题】下列属于常用的成膜材料的是
A.
PVA
B.
CMC
C.
EC
D.
PEG
【单选题】In the author’S opinion.in order to enhance public’S awareness of climate change,the universities should_______.
A.
make more videos to popularize scientific findings
B.
encourage scientist to communicate more with the public
C.
make more public intellectuals of social scientists
D.
restrain the time allocated by scientists to unpractical researches
【单选题】Which of the following is the characteristic of China's climate?
A.
cold and humid in the north
B.
warm climate and distinctive seasons for most parts
C.
plentiful rainfall in the southwest
D.
lowest precipitation in the northeastern inland area
【单选题】下列不属于常用的成膜材料的是
A.
PVA
B.
PVP
C.
聚乙烯醇缩甲乙醛
D.
PEG
【简答题】In today’s corporate climate, most regular salary hikes have shrunk or disappeared.(翻译)
【单选题】The world's demand on gas is expected to increase in the future as climate change concerns grow, while renewable energy is still expensive to be developed, a prominent economist said on Friday. 'Deman...
A.
How long shall we wait to use the renewable energy?
B.
Renewable energy is getting cheaper as technology becomes more advanced.
C.
Climate change concerns results in revolution on the use of energy.
D.
Gas demand is to sharply increase as climate change concerns grow.
【单选题】Any perceivable alterations in climate could provide an exact description of today's climate.
A.
sensible
B.
thankful
C.
appreciable
D.
valuable
【简答题】As we know, the earth's climate has changed over time.The present rate of climate change depends, in large part, on human activities.Today, people all over the world are everyday choices that h...
【单选题】二元函数 的极大值点是( )
A.
(0,1)
B.
(1,0)
C.
(1,1)
D.
(0,0)
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