如图所示,是四位同学“用温度计测量某种液体温度”的实验操作示意图,其中正确的操作是[ ]
A.
B.
C.
D.
答案:C
女性,35岁。发现右侧颈部包块一个月。查体:右侧颈部明显隆起,可触及一3cm×4cm包块,质中,边界清楚,表面不光滑,可移动,无痛,无液波感。局部皮肤潜行穿刺抽出可疑豆腐渣样物。CT检查示右颈部胸锁乳突肌前缘一结节影,边界清楚,增强后呈环行强化。首先要考虑的是哪种疾病()。
A.颈部淋巴结结核
B.颈部淋巴结转移瘤
C.颈部神经鞘瘤
D.颈部淋巴瘤
E.颈部囊性水瘤
A great deal of advanced science and technology has been ______ since China carried out the reform
and opening policy. [ ]
A. brought down
B. brought in
C. brought out
D. brought up