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【单选题】
从卫星照片上,我们会发现一片片像铁锈一样的棕色地块。它们是工厂、仓库搬迁后留下的被污染的土地,因其颜色而得名为 “棕地”。我国大约有 30 多万块“棕地”需要治理,这给我们的启示有( ) 1我国环境破坏已经到了无法挽回的境地 2我们要珍惜土地资源 3资源开发要合理,避免破坏和浪费 4要走生产发展、生活富裕、生态良好的文明发展道路A.
①②④
B.
②③④
C.
①②③
D.
①③④
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举一反三
【单选题】The factory produces half a million pairs of shoes every year , 80% are sold abroad.
A.
of which
B.
which of
C.
of them
D.
of that
【简答题】溢洪道的分类(),(),(),()。
【单选题】The factory ________ since February of 1988.
A.
has been open
B.
has opened
C.
was open
D.
opened
【简答题】非常溢洪道的作用的什么，类型有哪些?
【单选题】The factory used 65percent of the raw materials, the rest of which ________(be)saved for other purposes.
A.
am
B.
is
C.
are
D.
was
E.
were
【单选题】Howard sat peering ______ the busy traffic in the street through his glasses.
A.
on
B.
in
C.
at
D.
with
【简答题】The factory workers are ________ to poisonous gases and many of them suffer from lung diseases.(expose)
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