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【简答题】
We were struck by the extent ________ which teachers’ decisions served the interests of the school rather than those of the students. A) to B) for C) in D) with
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举一反三
【简答题】国家药品编码的本位码的组成不包括
【单选题】将浓度为5 mol·L?1NaOH溶液100 mL，加水稀释至500 mL，则稀释后的溶液浓度为
A.
1 mol?L?1
B.
2 mol?L?1
C.
3 mol?L?1
D.
4 mol?L?1
【简答题】Ohm's Law states that the voltage across a resistor is the current flowing through the resistor.A. equal
to B. directly
proportional to C. inversely
proportional to D. different
from
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