建议老年人高血压的收缩压目标为（）
A. 120mmHg
B. 130mmHg
C. 140mmHg
D. 150mmHg
E. 160mmHg
Diana made a lot of effort to persuade her parents into () to her going to the United States to study business administration in MIT.
A. contending
B. contesting
C. contenting
D. consenting
维生素D每40000U为
A. 1mg
B. 2mg
C. 3mg
D. 4mg
E. 5mg
嗜碱性粒细胞减少常见于
A. 速发型过敏反应
B. 疱疹样皮炎
C. 寄生虫病
D. 伤寒
E. 血液病
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