在LIN数据总线系统中，节点数一般不超过16个。（）
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―――I feel sick，doctor．――＿＿＿＿．―――I'm not sure，but I have got a bad headache（）
A. How long have you been sick
B. I'm sorry to hear tha
C. How are you feeling now
Do you have a fever
――＿＿＿＿．―――What's the matter7（）
A. Hello!
B. Is that Tom speaking
C. Help!
D. Excuse m
――Never thought I could see you here!――＿＿＿＿（）
A. So did I
B. Ohaven't you
C. Gladto meet you
D. It's a small worl
――I'm afraid I can't finish the book within this week．――＿＿＿＿（）
A. Please go ahea
B. That's righ
C. Not at al
D. Take your tim
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