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问题 单项选择题

有关超分割放射治疗的描述，错误的是（）

A.延长总治疗时间

B.降低分次剂量

C.增加分次次数

D.总剂量增加

E.晚反应减轻

答案

参考答案：A

解析：纯粹的超分割可以被定义为：在与常规分割方案相同的总治疗时间内，在保持相同总剂量的情况下每天照射2次。超分割的基本目的是通过降低分次剂量进一步分开早反应组织和晚反应组织的效应差别。

完形填空
请仔细阅读下面题中的每人的情况说明，然后从A到E的五个项目中，根据每个人的兴趣为他们选择周末的去处。
Have fun on K. K. Island
A                               Blue Bridge
Blue Bridge is full of different places for city fun--- theaters, restaurants, museums, shopping centers. Also, don` t miss its famous night markets.
 
B                                East Hills
Summer is the best season to see the trees and flowers. Spend a quite day in the teahouses here to get away from your busy life.
 
C                                New Lake
August is Music Month in the small town. Come and enjoy different groups playing music you` ve never heard before!
 
D                                 Green Garden
Come and ride a bicycle under the sun and enjoy a country lunch with farm-fresh fruits and vegetables.
 
E                                East Coast Park
Looking for a one-stop family fun site? It has to be East Coast Park. It `s a perfect place to enjoy surfing and fishing or just lying in the sun.
小题1:The Brown want to spend their weekend near the sea. They want to find a place where their two sons can play with the sand and Mr. Brown can go swimming with his wife.
小题2: Diana is a singer. She is going to join her friend’s band in the summer music festival.
小题3:Stilwell loves country life. He wants to spend the weekend with his girlfriend in a place where they can go bike riding and enjoy fresh vegetables.
小题4:Alice has well-paid but stressful job. She would like to spend her Sunday in a quiet place. She also wants to climb hills with her best friend or just drink a cup of tea and talks about something they are both interested in.
小题5:Charles loves city life. He is looking for a place to eat and have fun with his friends on Saturday night.
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多项选择题

动物患“粗颈症”或甲状腺肿大，与日粮中（）元素无关。

A、锰

B、碘

C、镁

D、锌
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