规程规定，工业用压力表的变差不得超过允许基本误差的（）
参考答案：绝对值
在口腔黏膜上出现的病损呈黄色小庖状突起，同时其中也夹杂有红色小疱，周界不清楚，常发生于舌背者，可诊断为（）
A.混合型淋巴管畸形
B.淋巴血管畸形
C.微静脉畸形
D.大囊型淋巴管畸形
E.微囊型淋巴管畸形
·Look at the ten statements for this part. ·You will hear a passage about "Who First Started to Smoke" ; you will listen to it twice, ·Decide if you think each statement is right(R), wrong(W) or not mentioned(NM).
Who First Started to Smoke
Sir Walter Raleigh’s death was due to smoking.
A．Right
B．Wrong
C．Not Mentioned
