Tc-MIBI肿瘤显像,尚未应用于临床的恶性肿瘤是()。
A.肾癌
B.脑瘤
C.肺癌
D.甲状腺癌
E.乳腺癌
参考答案:A
As the quality of the city’s air continues to give rise to ______, the residents are encouraged to set off fewer fireworks.
A.concerns
B.descriptions
C.catastrophe
D.emergency
钢质管道外防腐层的绝缘检查采用电火花测漏仪,检测时的电压应为()。
A.1000-1500V
B.2500-3000V
C.4500-5000V