Alice: Why didn‘t you show up for class this morning？
Ella:. You know， I live far from the school.
A. It" s a fine day
B. My car broke down
C. It" s not the case
D. That" s good
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A. made
B. done
C. finished
D. performed
A: Allow me to introduce myself. My name is Brown， the manager of the company.
B:__________
A. You must be mistaken. I don"t know you at all.~
B. Hello， Brown! Haven"t seen you for ages.
C. How do you do， Mr. Brown？ Very happy to see you.
D. Hi， Brown ! Welcome to China.
Which of the following is NOT mentioned as a motive for suicide？
A. Insanity.
B. Pressure.
C. The need for attention.
D. Great anger.
脂酸的β-氧化包括______、______、______和______四个步骤。
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