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【判断题】
所谓基准线是为表达人体模型上重要的部位或必要的结构线而在人体模型上设置的标志线。A.
正确
B.
错误
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【简答题】According to a recent survey, employees in many companies today work longer hours than employees did in 1979. They also take shorter vacations than employees in 1979 took. It seems that Americans are ...
【判断题】Companies today will not accept slower order cycles in exchange for higher order cycle consistency.
A.
正确
B.
错误
【判断题】Companies today will not accept slower order cycles in exchange for higher order cycle consistency.
A.
正确
B.
错误
【单选题】关于CR系統的叙述错误的是()
A.
CR系统所用的X线机可与传统的X线机兼容
B.
CR系统不能同时检测到极强和极弱的信号能力
C.
CR的动态范围很大
D.
CR系统的成像介质是成像板
E.
CR系统能够把一定强度的影像信号分得细，使影像层次丰富
【单选题】According to a recent survey, employees in many companies today work longer hours than employees did in 1979．They also take shorter vacations than employees in 1979．It seems that Americans are working...
A.
Many people work long hours but do not always do a lot of work.
B.
Most people can get more work done by working longer hours.
C.
Most Americans work 80 hours a week and some work even longer.
D.
People can make more money by working longer hours.
【单选题】下列哪种疾病属于急性病毒感染的迟发并发症（）
A.
脊髓灰质炎病毒所致小儿麻痹症
B.
HBV所致慢性乙肝
C.
麻疹病毒所致亚急性硬化性全脑炎
D.
乙脑病毒所致乙型脑炎
E.
SARS冠状病毒所致严重急性呼吸综合征
【单选题】关于CR成像的叙述,错误的是
A.
成像板选用的材料必须具有光激励发光的特性
B.
PSL为光激励发光
C.
成像板吸收了X线而产生光激励发光
D.
常用的光激励发光的波长为390~490mm
E.
IP的潜像可通过强光照射消除
【判断题】For companies today, becoming international is a luxury only some can afford.
A.
正确
B.
错误
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