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【简答题】
下列三组物质中，均有一种物质的类别与其它三种不同 A．MgO、Na 2 O、CO 2 、CuO B．HCl、H 2 O、H 2 SO 4 、HNO 3 C．NaOH、Na 2 CO 3 、KOH、Cu（OH） 2 三种物质依次是（填化学式）：______、______、______；这三种物质相互作用可生成一种新物质，该反应______氧化还原反应（填“是”或“不是”）；这种新物质与盐酸反应的离子方程式为：______．
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【单选题】听力原文：M: What would you do if you heard a strange noise in the middle of the night'? W: I'd lie awake a little while, waiting to see if it happened again. And if it did, I'd get up. Q: How would you de...
A.
Courageous.
B.
Lazy.
C.
Curious.
D.
Cowardly.
【单选题】听力原文：M: What would you do if you heard a strange noise in the middle of the night? W: I'd lie awake a little while, waiting to see if it happened again. And if it did, I'd get up. Q: How would you des...
A.
Cowardly.
B.
Curious.
C.
Lazy.
D.
Courageous.
【单选题】听力原文：M: What would you do if you beard a strange noise in the middle of the night? W: I'd lie awake a little while, waiting to see if it happened again. And if it did, I'd get up. Q: How would you des...
A.
Cowardly.
B.
Anxious.
C.
Lazy.
D.
Courageous.
【单选题】听力原文：M: What would you do if you heard a strange noise in the middle of the night? W: I'd lie awake a little while, waiting to see if it happened again. And if it did, I’d get up. Q: How would you des...
A.
Cowardly.
B.
Anxious.
C.
Lazy.
D.
Courageous.
【简答题】标高数值以 为单位,一般注至小数点后 位(总平面图中为二位数)。
【简答题】总平面图中标高的数值以 为单位,一般标注至小数点后 位。
【单选题】what would happen at meal time if you remembered eating a lot in the previous meal?
A.
You would probably be more picky about food.
B.
You would not feel like eating the same food.
C.
You would have a good appetite.
D.
You would not feel so hungry.
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