Why did the man make the phone call
A. Because he wanted his wife to see the last film.
Because he and his wife both wanted to see the last film.
C. Because he felt tired and wanted to stay at home.
Why do factories want to know how people feel about different colors
A. People care more about the colors of things than shapes.
B. People choose to buy things by their colors.
C. People like things with bright colors.
Why did Mrs. David feel surprised after she answered the telephone
A. Because the man wanted the cinema.
Because she didn't understand what the man meant.
C. Because she was wrong with her telephone.
兴奋传导速度最慢的心肌细胞是
A. 心房肌
B. 普肯耶纤维
C. 房室交界处
D. 左右束支
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