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Cet-4-1.17-Exercise 01“Mass adoption of the Internet is driving one of the most exciting social, cultural, and political transformations in history, and unlike earlier periods of change, this time the effects are fully global.” Schmidt and Cohen write in their new book, The New Digital Age. How do Schmidt and Cohen describe the effects of the Internet?

A. They are worldwide.
B. They are contaminating.
C. They find it costly to give up their existing asserts.
D. They tend to be slow in confronting new challenges.

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Cet-4-1.17-Exercise 02Aside from the panels on the roof, Premier Gardens looks like a community of conventional homes. But inside, special windows cut power bills by blocking solar heat in the summer and retaining indoor warmth in winter. The rest of the energy savings comes from the solar units. They don’t just feed the home they serve. If they generate more power than the home is using, the excess flows into the utility’s power grid. The residents are billed by “net metering”: they pay for the amount of power they tap off the grid, less the kilowatts they feed into it. If a home generates more power than it uses, the bill is zero. How are the residents in the ZEH communities billed for electricity use?

A. They are confident of their future.
B. They do not get decent pay.
C. They pay for the electricity from the grid less their home-generated power.
D. They only pay for the excess power that flows into the utility’s power grid.

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我国人口发展新特点有( )。

A. 看总量:增速放缓,平稳增长
B. 析结构:性别结构有改善,年龄结构有变动
C. 衡质量:水平提高,素质提升
D. 观分布:流动日趋活跃,集聚效应显现

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我国人口的趋势性变化,对经济社会发展将产生全面、深刻、长远的影响。因此,在“七普”数据公布前后,中国人口问题成了国内外的热门话题。( )问题冲上了社交媒体热门话题榜。

A. 人口红利还有吗
B. 老龄化问题如何解
C. 低生育问题怎么办
D. 扭转生育率下降趋势将会变得很困难

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人与自然深层次矛盾日益显现,表现在( )。

A. 气候变化加速
B. 生物多样性丧失
C. 荒漠化加剧
D. 极端气候事件频发

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A. They are worldwide. B. They are contaminating. C. They find it costly to give up their existing asserts. D. They tend to be slow in confronting new challenges.

我国人口发展新特点有( )。

我国人口的趋势性变化,对经济社会发展将产生全面、深刻、长远的影响。因此,在“七普”数据公布前后,中国人口问题成了国内外的热门话题。( )问题冲上了社交媒体热门话题榜。

人与自然深层次矛盾日益显现,表现在( )。

A. They are worldwide.
B. They are contaminating.
C. They find it costly to give up their existing asserts.
D. They tend to be slow in confronting new challenges.