反映较大血管的血流灌注和通畅情况的是()
A. 血池相
B. 血流相
C. 断层显像
D. 全身显像
由于原发恶性骨肿瘤有大量血管增生、扩张，血供极丰富，因此在血流、血池相上，病变部位就表现为______________，而良性骨肿瘤和骨转移癌______________。
请在第__（48）__处填上正确答案。 查看材料
A. The application is then sent to the student"s university， where the school itself will decide whether free money will be given to the student and how much.
B. At public universities， however， tuition increases must also be approved by a state education committee， sometimes called the board "of governors.
C. The school currently charges US $ 23，410 a year for tuition.
D. Many American people are simply unable to pay the growing cost of food.
E. That"s more than double the rate of inflation.
F. The state government covers the rest.
由于各部位______________、______________、______________等的不同，使得骨显像剂的分布也不同。______________摄取的显像剂较多，而含骨密质较多的——摄取的显像剂相对少。
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