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根据血流动力学原理,影响血流阻力最重要的因素是
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Section B.8.A) She is an operator.B) She is a doctor.C) She is a nurse.D) She is a driver.9.A) To go to study abroad.B) To pay for her debt.C)To move to another city.D)To raise money for her business.10.A) A new product design.B) After-sales service.C)The sales plan.D)The pay raise.11.A) See a doctor.B) Place an order.C) Book a ticket.D)Reserve a room.12.A) Planning a budget.B)Doinganexperiment.C) Discussing a new design.D) Having an interview.13.A) Online.B) In a job fair.C) From a magazine.D) on TV.14.A) She is over the speed limit.B) She is smoking while driving.C) She is making a phone call.D)She is on the wrong way.
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