Read the passage and fill in the blanks with proper words. The first
letters are given. (在短文的空格内填入适当的词，使其内容通顺，每空格限填一词，首字母已给。)
Do you know the differences between the new
buildings and the old ones?
Old buildings h {#blank#}1{#/blank#} brick and stone walls. The walls hold up the
buildings. In cities, many modern buildings l {#blank#}2{#/blank#} as
if they are made just of windows.
Walls of dark glass reach high into the air.
Many buildings are m {#blank#}3{#/blank#} than 50 stories tall.
Are
walls of glass strong e {#blank#}4{#/blank#} to hold up the new building? No. The new glass
walls do not hold up the buildings, but they only cover up the frame made of
steel. Have you ever watched a new building going up? The steel frame is built
f {#blank#}5{#/blank#} . Then the glass walls are hung on the frame. When
the building is f {#blank#}6{#/blank#} , the frame does not show. The outside looks
like windows without walls. The glass walls s {#blank#}7{#/blank#} in the sun with no decoration. Many people
find them beautiful just as they are.
