公安民警若能始终把握住保持和控制()的主动权,可以预防对方的攻击或纠缠,那么,他在实战中就不容易受到伤害。
A.口头制止
B.武力戒备
C.安全距离
D.沟通联络
参考答案:C
可出现血清铁升高的疾病有()
A.铁粒幼细胞性贫血
B.慢性病性贫血
C.海洋性贫血
D.缺铁性贫血
E.再生障碍性贫血
What is the probable relationship between the two speakers [A] Teacher and student. [B] Doctor and patient. [C] Husband and wife.