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【单选题】
Potatso was the first ______ in mainland China.
A.
geological park
B.
national park
C.
ecological park
D.
biological park
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】What does “Shudu” mean in the Tibetan language?
A.
the dense forest
B.
the cheese as solid as stone
C.
herds of cattle
D.
the nutritious grass
【单选题】The following statement about the characteristics of the model of production and marketing balanced transportation is correct ( )
A.
The coefficient matrix of constraint equation is unit matrix
B.
The number of basic variables is m + n
C.
The basic variable can not be zero
D.
The rank of coefficient matrix is equal to m + n-1
【单选题】下列有关胃CT检查技术的叙述,错误的是()
A.
对进展期胃癌,检查目的主要在于肿瘤的分期
B.
胃CT检查充盈不足会导致评价错误,因此以胃过度充盈为最佳
C.
扫描前需用胃肠低张力药物以减少胃肠蠕动
D.
鉴别肿瘤时可采用低张胃充水扫描结合增强扫描技术
E.
可用SSD、MIP后处理技术显示胃肿瘤
【单选题】In the small Waist-twining beating, one should hit the drum（ ）times.
A.
6
B.
7
C.
8
D.
9
【单选题】肝脏CT增强扫描的意义描述错误的是()
A.
提高对病灶尤其是小病灶的检出率
B.
已确定为恶性肿瘤的,可提高肿瘤分期的准确性或判断肿瘤手术切除的可能性
C.
提高病灶的定性能力
D.
有助于血管性病变的诊断和显示
E.
对于小病灶的定性诊断无帮助
【单选题】What does "Militang" mean in the Tibetan language？
A.
the Buddha worship
B.
the Buddha's residence
C.
the pasture
D.
an eye of the Buddha
【单选题】关于肝脏CT平扫描述错误的是()
A.
扫描体位:足先进仰卧位,两臂上举抱头
B.
扫描范围:膈顶至肾下缘
C.
扫描视野(FOV):45cm
D.
扫描层厚:5mm
E.
扫描参数:100~120kV;250~300mA;转数0.5~0.8秒;螺距1.375:1
【单选题】A synchronous generator connected in parallel to an infinite power grid, if the excitation current remains unchanged, reduce the output active power( ) under the condition of, at this time ().
A.
The power Angle decreases and the power factor decreases
B.
The power factor decreases when the power Angle increases
C.
The power Angle decreases and the power factor increases
D.
As the power Angle increases, the power factor increases
【单选题】关于肝脏相关疾病的CT检查要点的描述错误的是()
A.
在诊断肝脏病变的图像窗宽需要比胰腺、肾脏等脏器略窄,约200Hu
B.
对于肝脏内占位性病变,应行CT增强扫描进行病变性质的鉴别诊断
C.
增强时相需要准确,不需要延长延迟时间
D.
肝癌伴病灶坏死时,需分别测量肿瘤坏死区、肿瘤边缘以及正常肝实质的CT值
E.
肝脏占位性病变,需要测量其最大平面的肿物直径