中年男性,脾实质近边缘区有一尖端指向脾门的类三角形低回声,边界清,周边见血流信号,可能的诊断是
A.脾恶性淋巴瘤B.脾血管瘤C.脾转移瘤D.脾梗塞E.脾结核
参考答案:D
情景选择。
1. 当你想知道外面的温度是多少,你应该问:[ ]
A. What's the temperature inside?
B. What's the temperature outside?
2. 你想告诉对方这些是盘子,你应该说:[ ]
A. This is dish.
B. These are dishes.
3. 你想知道对方最喜欢的形状是什么,你应该问:[ ]
A. What's your favourite shape?
B. What's your favourite lines?
4. 大家唱歌的声音太小,你希望大家大声唱,应该说:[ ]
A. I want everyone to sing loudly.
B. I want you to sing softly.
5. 你想告诉对方你从来不穿裙子,你应该说:[ ]
A. I never wear dress.
B. I never wear dresses.
尿沉渣检查标准化对离心管的要求,正确的是()
A.干净、透明,容积应>12ml
B.最好使用一次性的离心试管
C.标有体积刻度,刻度精确到0.5ml
D.试管口最好有密封装置
E.试管底部为锥形,便于浓缩沉渣