题目

如图所示，在宽为20m，长为32m的长方形地面上修筑同样宽的道路（图中阴影部分），余下的部分铺上草坪.要使草坪的面积为540m2 ， 求道路的宽.如果设道路宽为xm，根据题意，所列方程正确的是（ ） A . （20-x）（32-x）=540 B . （20-2x）（32-2x）=540 C . （20+x）（32-x）=540 D . （20+2x）（32-2x）=540 答案：AThe Parthenon in Athens is a building with a long and complex history．Built nearly 2,500 years ago as a temple celebrating the Greek goddess Athena, it was for thousands of years the church of the Virgin Mary of the Athenians, then a mosque （清真寺）, and finally a ruin．The building was changed and the sculptures much damaged over the centuries．By 1800 only about half of the original sculptural decoration remained．        Between 1801 and 1805, Lord Elgin, the British ambassador to the Ottoman Empire, which controlled Athens, acting with the full knowledge and permission of the Ottoman authorities, removed about half of the remaining sculptures from the fallen ruins and from the building itself．Lord Elgin loved Greek history and transported the sculptures back to Britain．The arrival of the sculptures in London had a huge effect on the European public, greatly increasing interest in ancient Greek culture and influencing contemporary artistic trends．These sculptures were acquired from Lord Elgin by the British Museum in 1816 and since then they have all been on display to the public, free of charge．        Since the early 1980s, however, the Greek government has argued for the permanent removal to Athens of all the Parthenon sculptures in the British Museum．They have also challenged the British Museum Board of Trustees' legal title to the sculptures．        The British Museum, however, insists that it exists to tell the story of cultural achievement throughout the world, from the dawn of human history over two million years ago until the present day．The museum considers itself an important resource for the world: the breadth and depth of its collection allows the world public to re-examine cultural identities and explore the complex network of interconnected world cultures．        It also says that, within the context of this unparalleled collection, the Parthenon sculptures are an important representation of ancient Athenian civilization．Each year millions of visitors admire the artistry of the sculptures and gain insights on how ancient Greece influenced - and was influenced by - the other civilizations that it encountered． 1．For most of its history people went to the Parthenon to ______．        A．admire the goddess Athena                   B．pray to their god        C．search for sculptures                           D．learn about its complex history 2．The underlined "it" （in Paragraph 4） refers to "_________"．        A．the British Museum                             B．the Greek government        C．the Parthenon                                     D．the British Museum Board of Trustees 3．What can we infer from the passage?        A．The sculptures introduced ancient Greek culture to the west．        B．Ancient Greek culture has greatly influenced world culture．        C．The British Museum has made much money from the Parthenon sculptures．        D．The British Museum is the place most capable of preserving these sculptures． 4．What can we learn about Lord Elgin from the passage?        A．He is greatly admired in Greece．        B．He worked for the Ottoman Empire．        C．He saved the Parthenon sculptures from being destroyed．        D．He had a deep interest in Greek culture． 5．The author's main intention in writing this passage is to tell _____．        A．the history of the Parthenon and its sculptures        B．what people can see in the British Museum        C．why the British Museum refuses to return the sculptures        D．the influence of Greece on British culture