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【单选题】
以下关于DCS操作系统叙述正确的是（）。A.
TC值组态在28组，显示的是D-101反应中心管的壁温差。
B.
PB2是J-201跳车联锁的手动开关。
C.
HC-102是调节B-102燃料气流量的遥控阀。
D.
PCV-203和PIC-107的测压点是同一个点。
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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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