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【简答题】
合成不饱和聚酯的主要原料是[填空(1)]（或相应的酸酐）、饱和二元酸、二元醇和[填空(2)]。
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皮皮学刷刷变学霸
举一反三
【单选题】What do the square brackets indicate when in setup mode?
A.
That the router needs to be reloaded
B.
That the values entered are not saved
C.
Current or default settings
D.
Hard-coded values that cannot be changed
【单选题】下列关于信息的叙述错误的是
A.
信息是对人有用的数据，这些数据将可能影响到人们的行为与决策
B.
信息是数据的符号化表示
C.
信息是指认识主体所感知或所表达的事物运动及其变化方式的形式、内容和效用
D.
信息是指事物运动的状态及状态变化的方式
【单选题】What should the man do at Water Square?
A.
Pass through it.
B.
Turn left.
C.
Turn right.
【单选题】What is the audience expected to do?
A.
Try to restore old square pianos.
B.
Begin to practice on uprights and grands.
C.
Buy uprights.
D.
Listen attentively to the performance.
【判断题】T /F statements for task 3 of unit 1: There is only one folk dancing group in each city in the United States. A. T B. F Usually there are four men and four women in a folk dancing group. A. T ...
A.
正确
B.
错误
【单选题】Trees and bushes surround the square, inviting little birds to come and sing. What do you think of the surrounding?
A.
noisy
B.
lonely
C.
polluted
D.
beautiful
【单选题】Oh, no! It’s raining. We can’t go skating on the square. ____________! [ ]
A.
What a shame
B.
Well done
C.
What a surprise
D.
How wonderful
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