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【单选题】
烧伤现场急救时，下列哪种做法不正确？A.
迅速脱离热源，用凉水浸泡或冲淋局部
B.
剪去伤处衣、袜，用清洁被单覆盖
C.
酌情使用安定、等药镇静止痛
D.
呼吸道灼伤者，严重呼吸困难行气管切开、吸氧
E.
有严重复合伤时，施行相应的急救处理
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【单选题】Some animals in _____ wild are now in ______ great danger of disappearing because of human activities.
A.
the, /
B.
a, a
C.
the, the
D.
/, the
【单选题】听力原文： In the United States the family plays an important role in most holiday activities. November is National Adoption Month. We visit with an American family that has an extra special reason to cele...
A.
Holiday celebrations in the United States often ignore the importance of family.
B.
Holiday celebrations in the United States often are centered around the family.
C.
Holiday celebrations in the United States often are centered around work.
D.
Holiday celebrations in the United States often are centered around animals.
【单选题】What is the function of a carbon sink?
A.
It regulates carbon emissions from human activities
B.
It measures the amount of carbon dioxide in the ecosystem
C.
It collects and drains seasonal rainwater from the soil
D.
It removes carbon dioxide naturally from the atmosphere
【单选题】Older people are generally advised to ______.
A.
keep fit by going in for physical activities
B.
keep mentally active by challenging their brains
C.
maintain mental alertness through specific training
D.
maintain a balance between individual and group activities
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