A.A rock climber.B.A psychologist.C.A resident doctor.D.A caree
A rock climber.
B. A psychologist.
C. A resident doctor.
D. A career consultant.
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How did the author feel when waiting tables at the age of 19？
A. She felt it unfair to be treated as a mere servant by professionals.
B. She felt badly hurt when her customers regarded her as a peon.
C. She was embarrassed each time her customers joked with her.
D. She found it natural for professionals to treat her as inferior.
已知在混合酚样品中仅含有苯酚、o-甲酚、m-甲酚、p-甲酚四种组分，经乙酰化处理后，测得色谱图，从图上测得各组分的峰高、半峰宽以及测得相对校正因子分别如下：
求各组分的质量分数。
A.To combat competition and raise productivity.B.To provide them with more job op
A. To combat competition and raise productivity.
B. To provide them with more job opportunities.
C. To help them maintain their living standard.
D. To prevent them from holding a second job.
Conversation One． 听材料，回答下列问题：
A. How to spend summer holiday.
B. How to avoid seasickness.
C. How to prepare for a boat trip.
D. How to deal with vomiting on a sea trip.
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