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【单选题】
某门诊护士，为破伤风病人进行伤口换药，换药后对换下的敷料处理正确的是A.
日光暴晒
B.
高压蒸汽灭菌
C.
浸泡消毒
D.
集中焚烧
E.
统一填埋
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举一反三
【简答题】Pollution of the ecosystem is a major
problem when waste is not managed carefully.
【单选题】The following main points are arranged in _____ order. I. The first major type of environmental pollution is land pollution. II. The second major type of environmental pollution is air pollution. III....
A.
topical
B.
problem-solution
C.
chronological
D.
spatial
【单选题】CO 2 is a major cause of global warming, but the pollution natural gas causes is only 1/800 of _____ caused by burning coal. [ ]
A.
that
B.
it
C.
one
D.
all
【单选题】Pollution is the major ________ of the global warming. [ ]
A.
cause
B.
reason
C.
excuse
D.
event
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