单项选择题

A．It keeps blood vessels from being blocked.
B．It speeds up their recovery after surgery.
C．It increases the blood flow to the heart.
D．It adjusts their blood pressure.
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单项选择题
A．He is going to give a talk on fishing.B．He thinks fishing is a good way to kill time.C．He has the same hobby as Susan’s father.D．He is eager to meet Susan’s parents.
A．He is going to give a talk on fishing.
B．He thinks fishing is a good way to kill time.
C．He has the same hobby as Susan’s father.
D．He is eager to meet Susan’s parents.
单项选择题
A．To tell him that the woman would meet him at his office.B．To ask him for an appointment.C．To ask him what time the woman’s appointment was.D．To get a prescription for the woman.
A．To tell him that the woman would meet him at his office.
B．To ask him for an appointment.
C．To ask him what time the woman’s appointment was.
D．To get a prescription for the woman.
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