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听力原文： The Sri Lankan police are reported to have said that they' ve found evidence of a plot to set up a military regime if President Chandrika Kumaratunga had been assassinated in an attempt at her life last month. Sri Lankan radio quotes the police as saying that the suicide bomb attack which injured the President was part of a conspiracy involving dissatisfied businessmen, opposition figures and military officers as well as the Tamil separatist rebels who were blamed for it. The radio said that wealthy businessmen had been financing the Tamil Tiger rebels and the opposition United National Party. It said more arrests were expected shortly. According to the police, who were involved in the bombing last week?A.
satisfied businessmen, opposition figures
B.
satisfied businessmen and military officers as well as the Tamil separatist rebels
C.
wealthy businessmen
D.
dissatisfied businessmen, opposition figures and military officers as well as the Tamil separatist rebels
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【简答题】将刚刚离体的神经细胞置于生理盐水中给予适宜刺激，膜两侧出现的电位变化如图甲所示，乙图是突触部分结构示意图，请分析回答： 甲图a表示神经纤维没有受到刺激时的静息电位，此时，由于神经纤维膜主要对（）有通透性，造成该离子（）（外流、内流）。受刺激时，神经纤维膜对（）的通透性增加，产生动作电位。
【单选题】_______I have been only at college for two days, I have learnt a lot of new things.
A.
Despite
B.
As though
C.
Even though
D.
In spite of
【简答题】将刚刚离体的神经细胞置于生理盐水中给予适宜刺激，膜两侧出现的电位变化如图甲所示，乙图是突触部分结构示意图，请分析回答： 乙图中①是（），其化学本质是（），当②与①特异性结合，会引发突触后膜电位变化，即引发一次神经冲动。如果向⑤中注射某种物质后，突触后膜无电位变化，分析可能的原因：一是（），二是（）
【简答题】I have been only at college for two days, and I have learnt a lot of new things.
【简答题】将刚刚离体的神经细胞置于生理盐水中给予适宜刺激，膜两侧出现的电位变化如图甲所示，乙图是突触部分结构示意图，请分析回答： 图甲中bc段Na + 进细胞（）（需要、不需要）能量。cd段Na + 出细胞（）（需要、不需要）能量。如果将神经元外Na+浓度降低，则c点高度（）（不变、增加、降低）。
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