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【简答题】
下腔静脉由左、右____静脉汇合而成，上行穿过膈的____，最后注入____。
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反馈参考答案：
举一反三
【单选题】The U.S. Department of Defense bars third-party use of employees' DNA samples.
A.
Y
B.
N
C.
NG
【单选题】A U.S. Department of Energy study projected that African oil production would rise 91 percent between 2002 and 2025.
A.
forecast
B.
demanded
C.
resumed
D.
ensured
【单选题】The U.S. Defense Department has decided that the Pentagon is an obsolete building and that it must be replaced with an upgraded version: the Hexagon. The Secretary of Defense wants a building that is ...
A.
3,937,500 cubic feet
B.
15,750 cubic feet
C.
D.
E.
【简答题】我国进出口商品编码的前6位数码及商品名称与HS完全一致，第7．8两位数码是根据我国关税．统计和贸易管理的需要细分的。
【单选题】The report from the U. S. Department of Education shows that______.
A.
the number of the expulsions is not large
B.
the number of the expulsions is wrong
C.
there are soldiers hiding among the students
D.
guns are out of control in U.S. schools
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