可使血压测量值偏低的因素是()
A.病人情绪激动
B.在寒冷环境中测量
C.缠袖带过松
D.肢体位置高于心脏水平
E.用宽12cm袖带测下肢血压
参考答案:D
Bill Smith can play ____ soccer. His brother can play ____ violin,
but they often play ____ yo-yo together. [ ]
A. the, the, with
B. a, the, for
C. /, the, with
D. the, / , for
请仔细观察下面四幅图象,其中能正确表示等质量的镁和铁分别与过量且相同溶质质量分数的稀硫酸反应的量的关系的是 [ ]
A.
B.
C.
D.