甲状腺弥漫性肿大,质地柔软,可触及震颤,听诊有血管杂音,应考虑( )
A. 甲状腺癌
B. 麻疹
C. 鹅口疮克
D. 弥漫性甲状腺肿伴甲亢
查看答案
Watch the video clip on the previous page and do the True or False exercise .Railway transportation is the most suitable for short-distance transportation.
A. 对
B. 错
Relatively, the freight of air transportation is the most expensive.
A. 对
B. 错
Road transportation is the safest transportation.
A. 对
B. 错
Sea transportation is the most economical mode of transportation in long-distance foreign trade.
A. 对
B. 错