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【简答题】
A: What is the weather cast (天气预报)for today? B: The weather says it will be mostly sunny and hot. Tile temperature (气温) will average (平均) between 34℃ and 35℃. A: I'm afraid we'll have a very hot summer this year. I don't know where to go for my summer vacation. B: Why don't you go to the mountains? The weather will be cooler there. A: Good idea! Do you often spend summer holidays in the mountains? B: Yes. I enjoy cooler weather and I can visit my grandparents. What's the weather like today? ____________
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【简答题】What is investment ?How is it related to national saving ?
【单选题】第二代计算机的主要元件采用( )
A.
中、小规模集成电路
B.
电子管
C.
晶体管
D.
大规模和超大规模集成电路
【简答题】What is the investment opportunity study?
【单选题】能消除测定方法中的系统误差的措施是( )
A.
用标准试样进行对照试验;
B.
称样量在0.2g以上 ;
C.
认真细心地做实验 ;
D.
增加平行测定次数
【单选题】凡工作地点狭窄、工作人员活动困难,周围有大面积接地导体或金属构架,因而存在高度触电危险的环境以及特别的场所,则使用时的安全电压为 ( ) 。
A.
9v
B.
12v
C.
24v
D.
36v
【简答题】What is the investment abroad takes several forms?
【单选题】建筑材料可分为脆性材料和韧性材料,其中脆性材料具有的特( )。
A.
破坏前没有明显变形
B.
抗压强度是抗拉强度8倍以上
C.
抗冲击破坏时吸收的能量大
D.
破坏前不产生任何变形
【简答题】第二代计算机的主要元件采用( )
【单选题】The country of Growpaw does not trade with any other country. Its GDP is $20 billion. Its government purchases $3 billion worth of goods and services each year, collects $6 billion in taxes, and provi...
A.
$5 billion
B.
$4 billion
C.
$3 billion
D.
$2 billion
【单选题】一切以自我为中心的思维特征,出现在( )
A.
感知运动阶段
B.
前运算阶段
C.
具体运算阶段
D.
形式运算阶段
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