皮皮学,免费搜题
登录
搜题
【简答题】
A former Facebook executive has said social media is (1) ___________________ to society around the world. The executive is a man called Chamath Palihapitiya. He joined Facebook in 2007 and became a vice president. He was responsible for increasing the (2) ___________________ Facebook had. Mr Palihapitiya said he (3) ___________________ about getting more people to use social networks. He said the networks are destroying society because they are changing people's behavior. Twenty years ago, people talked to each (4) ___________________ face. Today, people message each other and do not talk. People also really care about what other people (5) ___________________. They post photos and wait to see how many people like the photo. They get very (6) ___________________ do not like the photo. Mr Palihapitiya said people should take a (7) ___________________ social media so they can experience real life. He wants people to value each other instead of valuing online "hearts, likes, (8) ___________________". Palihapitiya also points out (9) ___________________ is affecting how we see the world. It is becoming easier for large websites to spread lies. It is also becoming (10) ___________________ other people online. Anyone can hide behind a fake user name and post lies about other people. Palihapitiya said this was (11) ___________________. He is worried about social media so much that he has banned his children from using it. However, he did state that Facebook was a good company. He said: "Of course, it's (12) ___________________. Facebook overwhelmingly does good in the world"
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】电压源值为0,即电压源的作用相当于( );电流源值为0,即电流源的作用相当于( )
A.
开路,开路
B.
开路,短路
C.
短路,开路
D.
短路,短路
【单选题】三条直线a,b,c,有命题:(1)若a∥b,b∥c,则a∥c;(2)若a⊥b,c⊥b,则a∥c;(3)若a∥c,c⊥b,则b⊥a;(4) 若a与b,a与c都是异面直线,则b与c也是异面直线。其中正确的命题个数是 [     ]
A.
1
B.
2
C.
3
D.
4
【多选题】疑核发出的运动纤维行经下列脑神经
A.
第V
B.
第VII对
C.
第IX对
D.
第X对
E.
第XI对
【判断题】根据激励理论,增加职工的工资就能提高他们的工作积极性。()
A.
正确
B.
错误
【单选题】若a,b为实数,下列命题正确的是(  )
A.
若a>|b|,则a 2 >b 2
B.
若|a|>b,则a 2 >b 2
C.
若a>b,则a 2 >b 2
D.
若a 2 >b 2 ,则a>b
【单选题】疑核发出的运动纤维行经下列脑神经
A.
第V.VII.IX对
B.
第VII.IX.X对
C.
第V.IX.X对
D.
第IX.X.XI对
E.
第X.XI.XII对
【单选题】命题“若a>b,则2 a >2 b -1”的否命题为(      )
A.
若a>b,则有2 a ≤2 b -1.
B.
若a≤b,则有2 a ≤2 b -1.
C.
若a≤b,则有2 a >2 b -1.
D.
若2 a ≤2 b -1,则有a≤b.
【单选题】下列命题正确的是(  )
A.
若a>b,则 1 a < 1 b
B.
若a?c 2 >b?c 2 ,则a>b
C.
若a>b,则a?c 2 >b?c 2
D.
若a>b>0,c>d,则a?c>b?d
【简答题】接待高级领导、高级将领、重要企业家时人们会发现,轿车的上座往往是() A后排左座 B后排右座 C副驾驶座 D司机后面的座位
【单选题】下列说法中正确的是(  )
A.
若a>b,则a 2 >b 2
B.
若a>|b|,则a 2 >b 2
C.
若a≠b,则|a|≠|b|
D.
若a≠b,则a 2 ≠b 2
相关题目: