《民法典》第一千零四十九条规定，要求结婚的男女双方需要到婚姻登记机关申请结婚登记。
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What does Dr. Sadoway think of energy storage?
A. It is the direction energy development should follow.
B. It involves the application of sophisticated technology.
C. It is a technology benefiting everyone.
D. It will prove to be a profitable business.
What is most likely to happen when advanced batteries become widely used?
A. Mobile-first lifestyles will become popular.
B. The globalization process will be accelerated.
Communications will take more diverse forms.
D. The world will undergo revolutionary changes.
In some rural communities of emerging economies, people have begun to ___________.
A. find digital devices simply indispensable
B. communicate primarily by mobile phone
C. distribute power with wires and wooden poles
D. light their homes with stored solar energy
Utility companies have begun to realize that battery technologies ___________.
A. benefit their business
B. transmit power faster
C. promote innovation
D. encourage competition
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