单项选择题

The third paragraph suggests that ______.

A．modern dams are all made of concrete
B．Romans once built many great dams
C．there was too much water in Iraq in the past
D．modern dams are better than early dams

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单项选择题

The underlined word that (Line 4, Para. 2 ) means ______.

A．a dam will be built across the river
B．a dam will store water for dry seasons
C．in wet seasons a dam will prevent the flooding of the land
D．houses and fields will be covered with water

单项选择题

What do people usually do to deal with their loneliness

A．To go out to watch more moives.
B．To go shopping or have a journey.
C．To join a club or a society, and go out and meet people.
D．To move to live nearby their relatives.