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【简答题】
Part One Read the following passage about disposable cameras. Choose the best heading for each paragraph from the list. There is one heading you do not need. Passage 1 Paragraph 1 Taking a photograph is easier than ever. There are cameras built into our phones, computers, tablets, iPods ... The way we share photos has also changed. There was a time when you’d print your photos and file them away into photo albums, but since the advances in technology and the emergence of the internet, all this has changed. Paragraph 2 Not only do we have what seems like an endless amount of space to store photos on our devices, but we also have the internet, and specifically, social media. Social networks allow us to post our pictures and albums to share with friends and family. People can now even become famous solely based on the photos that they post to these social networks. Paragraph 3 Whilst you could argue this easy ability to store, share and enjoy photos is fantastic, it also could be said that photographs have lost some of their meaning. I have over 1000 pictures on my smartphone and several thousand stored on my computer. Sometimes, however, I’ll be in the middle of taking or posting a photo and think, is this really something worth doing? I try to ask myself, will I really want to look back at this picture of a coffee or a selfie taken in a bathroom by myself? Paragraph 4 Even though I’m guilty of occasionally taking meaningless and boring pictures like this, a couple of years ago I decided to find a way to make my photographs more meaningful. How did I do this? Disposable cameras! When I go on a trip, I always try to take a disposable camera. With only 27 pictures you can take, you really think about the photographs you’re taking. It’s also kind of exciting that you can’t see the photograph straight away. And finally, it’s so much fun to get the pictures developed and look through them again. Paragraph 5 I’ll admit that I couldn’t live without social media or taking photographs on my smartphone, but I do think taking photographs has become less meaningful. That’s why I’ll continue using disposable cameras. It’s a great way to capture real memories and make your photographs more meaningful. They’ll be something I will actually want to look at years later.
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【单选题】下列离子检验的方法正确的是(  )
A.
向某溶液中加入硝酸银溶液,生成白色沉淀,说明原溶液中有Cl -
B.
向某溶液中加入氯化钡溶液,生成白色沉淀,说明原溶液中有SO 4 2-
C.
向某溶液中加入氢氧化钠溶液,生成蓝色沉淀,说明原溶液中有Cu 2+
D.
向某溶液中加入氯化钡溶液,生成白色沉淀,再加盐酸沉淀不溶解,说明原溶液中有SO 4 2-
【判断题】按照信息沟通的方向划分,沟通可以分为正式沟通与非正式沟通。
A.
正确
B.
错误
【判断题】生理性再生属完全再生,而病理性再生属于不完全再生
A.
正确
B.
错误
【简答题】向含有固体AgCI的饱和水溶液中加入AgNO3,待体系达平衡后,[Ag+][Cl-]将_________ 。(增加,减小,不变)
【单选题】(2019· 山东济南模拟 ) 继提出中国梦、正确义利观、构建中美新型大国关系和亲诚惠容周边外交理念之后,习主席又相继提出以合作共赢为核心的新型国际关系、构建全球伙伴关系网络、亚洲安全观等外交理念,使得中国外交战略架构日渐清晰和完善。这表明 ( ) 1 我国在谋求本国发展中促进各国共同发展 2 独立自主是我国对外关系的基本准则 3 我国已经成为推动世界和平与发展的主导力量 4 维护世界和平、促进共...
A.
. ①④
B.
. ③④
C.
. ①③
D.
. ①②
【简答题】向无色[Ag(NH 3 ) 2 ]Cl水溶液中加入HCl,会生成______,[Ag(NH 4 ) 2 ] + 的稳定性会______。
【单选题】下列离子检验的方法正确的是
A.
向某溶液中加入硝酸银溶液,产生白色沉淀,说明原溶液中含有Cl -
B.
向某溶液中加入氯化钡溶液,产生白色沉淀,说明原溶液中含有SO 4 2-
C.
向某溶液中加入氢氧化钠溶液,产生蓝色沉淀,说明原溶液中含有Cu 2+
D.
向某溶液中加入稀硫酸溶液,有气体生成,说明原溶液中含有CO 3 2-
【多选题】按信息传播的方向划分,沟通可以分为()。
A.
单向沟通
B.
平行沟通
C.
下行沟通
D.
上行沟通
【多选题】按照方向划分,沟通可以分为()
A.
横向沟通
B.
上行沟通
C.
下行沟通
D.
平行沟通
【简答题】某溶液中含有 和Cl - ,浓度均为0.1mol·dm -3 ,向该溶液中逐滴加入AgNO 3 溶液则先沉淀的是______。已知 (Ag 2 CrO 4 )=1.2×10 -12 , (AgCl)=1.77×10 -10
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