用99Tcm-MIBI行心肌显影，一般于注射显影剂后1～1.5h开始显影才能得到质量好的心肌影像，其主要原因是（）
A.由于99Tcm-MIBI在心肌内无再分布
B.至此时心血池及大血管内显影浓度才明显降低
C.此时肺、肝内放射性明显减低，而99Tcm-MIBI在心肌中浓度仍很高
D.由于99Tcm-MIBI在心肌内聚集速度慢
E.至此时胃内放射性才明显减低，此时显影能减少胃对心肌影像的干扰
参考答案：C
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| When someone has deeply hurt you, it can be extremely difficult to let go of your anger. But forgiveness is possible and it can be surprisingly 1 to your physical and 2 health. "People who forgive 3 less depression, anger and stress and more hopefulness" says Frederic Luskin Ph.D., 4 of Forgive for Good. "So it can help 5 on the wear and tear on our organs reduce the wearing out of the immune system and 6 people to feel more vital." So how do you start the forgiveness? Try 7 these steps: Calm yourself. To defuse (缓解) your 8 and try a simple stress-management technique. "Take a couple of breaths and think of 9 that gives you pleasure: a 10 scene in nature, someone you love," Luskin says. Don't 11 an apology. "Many times the person who hurt you has no 12 of apologizing," Luskin says. "They may have wanted to hurt you or they just don't see things the same 13 . So if you wait for people to apologize you could be waiting a (n) 14 long time." Keep in mind that forgiveness does not necessarily mean 15 to the person who upsets you. Take the control away from your offender. Mentally replaying your 16 gives power to the person who caused you pain. " 17 of focusing on your hurt feelings, learn to look for the love, beauty and kindness 18 you," Luskin says. Try to see things from the other person's perspective (视角). If you empathize (有同感) with that person, you may 19 that he or she was acting out ignorance, fear, even love. Recognize the benefits of forgiveness. Research has shown that people who forgive report more energy, better 20 and better sleep patterns. Don't forget to forgive yourself. "For some people, forgiving themselves is the biggest challenge," Luskin says. "But it can rob you of your self-confidence if you don't do it." | ||||
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