【单选题】【消耗次数：1】
下列关于伽玛刀说法错误的是（）
①
伽玛刀又称立体定向伽玛射线放射治疗系统
②
是一种融合现代计算机技术、立体定向技术和外科技术于一体的治疗性设备
③
它将钴-60发出的伽玛射线几何聚焦，集中射于病灶
④
其治疗照射范围与正常组织界限不明显
⑤
一次性、致死性的摧毁靶点内的组织，而射线经过人体正常组织几乎无伤害
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【单选题】
下列关于伽玛刀治疗胶质瘤说法错误的是（）
①
可以作为手术术后残留、复发的辅助治疗
②
适用于诊断明确，患者无明显颅内高压症状
③
伽玛刀治疗不可作为首选治疗
④
适用于肿瘤无法手术切除，或手术易造成严重残疾等并发症
⑤
适用于术后残留或复发者
【单选题】
下列关于伽玛刀治疗胶质瘤剂量的选择说法错误的是（）
①
对于肿瘤靶区直径<3cm的患者，我们常常给予单次大剂量照射
②
肿瘤靶区直径>3cm的患者，一般可给予80%~90%剂量曲线
③
对于肿瘤靶区直径<3cm的患者，一般可给予40%~50%剂量曲线
④
利用组织的“4R”特性最大限度的杀伤肿瘤、保护正常脑组织
⑤
对于肿瘤直径>3cm，可采取分次治疗方法
随机题目
【单选题】
No sooner________he arrived home than he________to start on another journey.
①
has;was asked
②
have;were asked
③
had;is asked
④
had;was asked
【单选题】
He was prepared to make the ultimate sacrifice, displaying ?bravery that was second to _________.
①
none
②
neither
③
anything
④
nothing
【单选题】
Did you get a dictionary?No. I________,but there were not any________.
①
tried;to be left;
②
had tried to;leaving
③
tried to;left
④
had tried;have left
【单选题】
Look,someone is coming. Guess who it_________be?I think it______be Tom.I dont think it______be_______.
①
must;can;must;his
②
may;can;must;him
③
can;must;can;him
④
might;must;can;himself
【单选题】
I will take my daughter with me when I_______ Shanghai.
①
go to
②
will go to
③
have been to
④
have gone to
【单选题】
It was getting dark. I found a car________in a pool by the side of the road.
①
to be stuck
②
stuck
③
sticking
④
stick
【单选题】
This bright girl______ the truth in front of the enemy.
①
didn’t say
②
couldn’t speak to
③
said
④
didn’t tell
【单选题】
________the front door________,he had to enter the room through the back door.
①
Seen;painted
②
Seeing;painted
③
Being seen;being painted
④
Seeing;being painted
【单选题】
This book is_____that one. But______than that one.
①
as difficult as ;expensive
②
as more difficult as ; more expensive
③
as difficult as ; more expensive
④
more difficult as ; as expensive