The newspaper identified the journalist ----- wrote the anonymous editorial predicting a stock market crash.()
A. which
B. whose
C. who
D. whom
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佝偻病初期患儿的临床表现是()
A. 颅骨软化
B. 下肢畸形
C. 有郝氏沟
D. 出现枕秃
E. 出现枕秃
Attempt to balance the budget were so successful that analysts projecting a ----- of $2 million over four years.()
A. price
B. surplus
C. check
D. penalty
育肥猪,3月龄,口、鼻流白色泡沫,颈部发红肿胀,张口呼吸,常作犬坐姿势,急性死亡。剖检见颈部皮下呈胶冻状,肺脏水肿、出血.预防该病的措施是()
A. 疫苗免疫
B. 使用抗生素
C. 使用抗血清
D. 疫苗免疫
E. 禁猫
最适合哺乳期妇女的避孕措施是()
A. 紧急避孕药
B. 短效口服避孕药
C. 长效口服避孕药
D. 阴茎套避孕