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【单选题】
联想和用户的驱动互动平台叫什么?A.
知识库
B.
新浪微博
C.
微信
D.
联想问吧
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】Which is the main idea of the first paragraph?
A.
Scientists know how to change desert into good land.
B.
Land is becoming desert faster than scientists can change it back into good land.
C.
If scientists can bring water to desert, people can live and grow food theory.
D.
More and more places are becoming deserts all the time.
【单选题】对集中选频放大器下列说法不正确的是( )。
A.
集中选频放大器具有接近理想矩形的幅频特性；
B.
集中选频放大器选择性好；
C.
集中选频放大器 调谐方便
D.
集中选频放大器可用陶瓷滤波器构成。
【单选题】______ scientists know where a storm will happen, winds will suddenly change, carrying the storm to a new direction.
A.
Even if
B.
Since
C.
Despite
D.
Unless
【简答题】What have scientists come to know recently about formation of life?
【单选题】Scientists does not know all the answers about the effects of music on humans. 查看材料
A.
Right
B.
Wrong
C.
Not mentioned
【多选题】下列选项哪些属于伯里克利改革的内容
A.
首次取消了任职资格的财产限制，所有等级公民都可参选官职，进一步推动了民主制度
B.
确立公民大会为雅典城邦国家的最高权力机关，年满20的所有公民都可参加，可提出建议和弹劾官员
C.
五百人议事会是公民大会的常设机构，负责为公民大会准备议案，执行公民大会决议，监督国家部门事务
D.
实行官职津贴制，吸引下层公民参与城邦管理，实现多数公民的民主制
【单选题】From the passage we know that the author__________
A.
thinks that scientists are about to achieve artificial intelligence
B.
doubts whether scientists can ever achieve artificial intelligence
C.
does not think that scientists have found real artificial intelligence
D.
is sure that scientists have achieved artificial intelligence.
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