Whilewaiting for the opportunity to get__________ ,Terry did his best to porform his duty.
A. promote
B. promoted
C. promoting
D. topromote
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I don't really like the author. ___________I have to admit his books are very exciting.
A. although
B. unless
C. until
D. once
异位妊娠简单可靠的诊断方法是
A. 妊娠试验
B. 声检查
C. 阴道后穹隆穿刺
D. 盆腔检查
E. 腹腔镜检查
Joan made_______ clear to me that she wished to make a new life for herself.
A. it
B. that
C. this
D. her
慢性肺心病急性发作期最常见的诱因是:
A. 过度劳累
B. 大量利尿剂
C. 应用镇静剂
D. 呼吸系统感染
E. 停用支气管扩张剂