Section A
Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer.
听力原文:W: It is a pity you missed the concert yesterday evening. It was wonderful!
M: I didn't want to miss the football game. Well, I' m not a classical music fan anyway.
Q: What do we learn from the conversation?
(12)
A.The man attended the concert but didn't like it.
B.The man was sorry to miss the football game.
C.The man is more interested in football than in classical music.
D.The man was sorry that he didn't attend the concert.
第1题
A. 动作电位的快速复极中期
B. B.动作电位的快速复极末期
C. C.心室收缩期
D. D.动作电位的快速复极初期
E. E.心房收缩期
第3题
在下列哪个时期内给心肌一个额外刺激可引起期前收缩
A、有效不应期
B、心室收缩期
C、心室舒张早期
D、心室舒张后期
E、绝对不应期
第4题
A.心室无反应
B.心室肌细胞产生一个幅度较小的新动作电位
C.心室肌细胞产生一个幅度较大的新动作电位
D.心室产生一个新的微弱的收缩
E.心室产生一个新的强烈的收缩
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