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【单选题】
I hadn't seen her for 10 years, but I ____ her at once.A.
realized
B.
recognized
C.
knew
D.
found
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【简答题】sugar bowl
【简答题】sugar molecule
【单选题】功率分析仪实际上是多种仪表的有机融合,它实现了高精度的信号实时采集,并实时运算出功率结果,以下不属于实时采集信号范围的是( )。
A.
电压
B.
电流
C.
电阻
D.
频率
【单选题】Suppose Haiti has a comparative advantage over other countries in producing sugar, but other countries have an absolute advantage over Haiti in producing sugar. If trade in sugar is allowed, Haiti____...
A.
will export sugar.
B.
will import sugar.
C.
will either export sugar or export sugar, but it is not clear from the given information.
D.
would have nothing to gain either from exporting or importing sugar.
【简答题】sugar coated tablets
【简答题】输入带有艾滋病病毒的血液会感染艾滋病吗?( )
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