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【单选题】
When science, business and art learn something of ______ methods and goals, the world will have come closer to cultural harmony.A.
one and the other’s
B.
each and the other’s
C.
one another’s
D.
the one’s and the other’s
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【简答题】Mandy didn’t want to know if her baby would be a boy or a girl before she gave birth____it. But the doctor accidentally gave it away when he said “she” instead of “it.”
【简答题】铅蓄电池是典型的可充型电池，它的正负极极板是惰性材料，电池总反应式为： Pb+PbO 2 +4H + +2SO 4 2- 放电 充电 2PbSO 4 +2H 2 O．请回答下列问题（不考虑氢、氧的氧化还原）： （1）放电时，正极的电极反应式是______；电解液中H 2 SO 4 的浓度将变______；当外电路通过1mol电子时，理论上负极板的质量增加______g． （2）在完全放电耗尽PbO...
【单选题】Mandy didn’t want to know if her baby would be a boy or a girl before she _____ it. But the doctor accidentally give it away when he said“she”instead of “it”.
A.
gave birth to
B.
find
C.
terrible
D.
good
【简答题】请简述性格的含义和特征是什么?
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