属于眼眶构成骨的是().
A.上颌骨
B.腭骨
C.泪骨
D.额骨
E.颞骨
参考答案:A, B, C, D
解析:眼眶是由颧骨、蝶骨、筛骨、腭骨、泪骨、上颌骨、额骨7块骨骼构成。
Smith ______ a book about China last year, but I don't know whether he has finished it.
A.has wrote
B.wrote
C.had written
D.was writing
鉴别诊断马来丝虫与班氏丝虫感染的主要依据是()
A.临床症状
B.厚血片法查微丝虫蚴
C.淋巴结活检成虫
D.免疫学诊断
E.活组织检查