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【简答题】
Very few people were coming to eat at the White Rose Restaurant, and its owner did not know what to do. The price was reasonable and the food was of good quality, but nobody seemed to want to eat there. Then he did something that changed all that, and in a few weeks his restaurant is always full of men with their lady friends. Whenever a gentleman came in with a lady, a smiling waiter gave each of them a menu. The menu looked exactly the same on the outside, but there was an important difference inside. The menu that the waiter gave to the man supplied the correct price for each dish and each bottle of wine. while the menu that he gave to the lady supplied a much higher price! So when the man calmly ordered dish after dish and wine after wine, the lady thought he was much more generous than he really was.
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举一反三
【单选题】对比度、X线质、X线量的关系,错误的是
A.
高千伏摄影照片对比度低
B.
乳腺用40kV~60kV的软线摄影
C.
低千伏摄影照片对比度高
D.
X 线量增加照片密度增高
【单选题】X线质、X线量的关系,错误的是( )
A.
高千伏摄影照片对比度低
B.
低千伏摄影照片对比度高
C.
X线量增加照片密度增高
D.
管电压高于100kV称高压摄影
E.
乳腺用40kV~60kV的软线摄影
【简答题】票务室门备用钥匙和防盗门备用钥匙由()保管
【单选题】票务室门备用钥匙和防盗门备用钥匙由()保管
A.
值班站长
B.
站长
C.
客运值班员
D.
行车值班员
【单选题】关于X线强度的描述,错误的是
A.
X线通过滤过板后,线质有所下降
B.
在一定的管电压下,X线量与管电流成正比
C.
质和量都随管电压改变,并与管电压的平方成正比关系
D.
在管电压、管电流一定的情况下,X线强度则因靶物质原子序数的提高而增加
E.
X线强度是线束中光子数量与其能量乘积的总和
【判断题】姜尚封齐后,定都营丘。( )
A.
正确
B.
错误
【单选题】机组运行过程中,一般保持润滑油油温不高于 ( )℃,冷油器出口油温在( )℃左右。
A.
75、45
B.
45、75
C.
没有要求
【单选题】6岁小儿轻度贫血的诊断指标是()
A.
Hb>120g/L
B.
Hb120~90g/L
C.
Hb90~60g/L
D.
Hb60~30g/L
E.
Hb<30g /L
【简答题】影响汽车造型的重要尺寸有哪些?请填出至少5个。
【简答题】高千伏摄影是指用120kV以上管电压产生的能量较大的X线,高能量X线通过肢体时,被吸收衰减的方式、吸收系数均与一般能量的X线不同,形成了与一般X线摄影影像不同的对比度变化,从而得到与一般X线摄影不同的效果。关于管电压叙述正确的是A、管电压与穿透深度无关 B、管电压不影响照片影像对比度 C、管电压升高,摄影条件宽容度增大 D、高电压摄影可降低信息量 E、管电压不影响照片密度 关于高千伏摄影的叙述,错...
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