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单选题 The ______ is checking a three-year old boy.
单选题 A ________is a person who analyzes samples.
单选题 What is the meaning of “anesthesiologist” in Chinese?
单选题 What is the meaning of “obstetrician” in Chinese?
单选题 A person who welcomes visitors and answer phones is a ______.
单选题 What is the meaning of “cardiologist” in Chinese?
单选题 A ______is a person who prepares drugs and medicine.
单选题 The_____ prepared the X-rays.