血管介入性治疗主要包含哪些内容?
参考答案:血管介入性治疗主要包含:①血管栓塞术;②血管成形术;③血管內药物灌注治疗;④心脏血管病的介入性治疗等。
13. --- How long has he been in the army?
--- Oh, he joined the army as far ____ as 1997.
A.ago
B.away
C.from
D.Back
新加坡,随地吐痰、吐唾沫都要被罚款。()