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单项选择题

以下哪项不是锂聚合物电池的优点？
A、不易燃
B、能量密度高
C、重量相对较轻
D、几乎没有记忆效应

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相关考题

单项选择题
下列哪种行为应当认定为包庇罪？
A.公安机关调查发现乙有走私犯罪的重大嫌疑，准备抓捕。参与该调查活动的公安人员甲打电话给乙通报这一情况，建议乙不要坐火车、飞机，并将自己的摩托车借给乙使用。乙骑摩托车逃往外地
B.公安缉毒队调查发现乙有贩卖毒品的重大嫌疑，准备抓捕。该缉毒队员甲打电话给乙通报了这一情况，建议乙不要坐火车、飞机，并将自己的摩托车借给乙使用。乙骑摩托车逃往外地
C.医师甲明知乙精神正常，故意出具乙患有精神病属于限制刑事责任能力人的证明
D.某局长甲违章驾驶肇事致人死亡，乙主动到公安机关投案，声称自己是肇事者
单项选择题
With the large number of dogs roaring through our communities, people need to know the facts about rabies（狂犬病）, a fatal disease caused by animal bites. Despite vaccination（接种疫苗）programs, rabies is still very prevalent, and will continue to be a serious public health problem for many years to come.
Rabies strikes the central nervous system and brings on choking, convulsions（抽搐）and inability to swallow liquids. It can even cause death. If you or anyone in your family is bitten by dog, cat or other animal, you should not panic, but thoroughly wash the wound with plenty of soap and water and rush to nearby hospital for immediate treatment. If you own the animal which did the biting, you should immediately call a veterinarian for advice and make sure the public health authorities know when and where the biting took place and who was bitten.
Rabies is a kind of disease which____.（　　
A.causesheartattack
B.hurtone'slegs
C.causesnervecentreproblemandbreathingproblem
D.strikesone'sbrain
单项选择题
The final stage of easing England's lockdown means that all restrictions on social gatherings will be removed and social distancing measures will be scrapped. A.
promoted B.
changed C.
canceled D.
required
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