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【简答题】
当：PN结外加正向电压时，扩散电流_______漂移电流，耗尽层_______。当PN结外加反向电压时，扩散电流_________漂移电流，耗尽层_______。 a．大于 b．小于 c．变宽 d．变窄
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【单选题】(8) They can be damp and cold. But with a growing number of men seeing the shed as a home from home, research claims the solitude(独处) it provides at the bottom of the garden could actually be good for...
A.
1A
B.
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D.
D
【简答题】课本P78案例4,请按8点要求,完成公文排版,于11月1日晚上10点前交给学委,然后由学委统一发给我。
【单选题】What was the purpose of Ana’s call?
A.
to find out exactly what Patricia has done
B.
to find out what Josh has done
C.
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D.
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【简答题】二副在驾驶应张贴 1. 磁罗经自差表 2. 重要仪器的操作规程 3.驾驶,轮机联系制度 4.船舶操纵性能明细表A. 1-4 B. 1-3 C. 1,3,4， D. 2-4
【单选题】The health of garden plants depends on the soil _____ --the proper balance of mineral pieces, organic matter, air and water.
A.
construction
B.
conservation
C.
corporation
D.
composition.
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