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【单选题】
日本血吸虫成虫主要寄生部位是（ ）A.
食管一胃底静脉
B.
肠系膜上动脉
C.
肠系膜下静脉
D.
脾静脉
E.
肝动脉
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举一反三
【单选题】The highest level of commercial navigational accuracy is provided by ().
A.
DGPS，within a coverage area
B.
SPS，without selective availability
C.
PPS，without selective availability
D.
NAVSAT，using the Doppler-shift
【判断题】Error propagation is a drawback with correlative-level coding, and is unavoidable.
A.
正确
B.
错误
【判断题】Correlative-level coding uses a partial-response signaling method to avoid inter-symbol interference (ISI).
A.
正确
B.
错误
【简答题】Bar Co is a stock exchange listed company that is concerned by its current level of debt finance. It plans to make a rights issue and to use the funds raised to pay off some of its debt. The rights is...
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