【简答题】全互溶的双液系中,在xB=0.6处,平衡蒸气压有最高值,那么组成为xB=0.4的溶液在气液平衡时,xB(g) 、xB(l)、xB(总)的大小顺序为( )。将xB=0.4的溶液进行精馏时,塔顶将得到( );
【单选题】医务人员工作时所采取的许多措施和使用的器材中,包含着许多物理知识,有关下列说法正确的是( )
A.
医生用听诊器接听患者心跳和呼吸声音,能升高音调
B.
注射时针筒能抽取到药液,是因为药液受到针筒的吸引力作用
C.
喷洒消毒液后,过一会儿病房里闻到消毒液的气味,这是扩散现象
【简答题】Although many people view conflict as bad, conflict is sometimes useful ________ it forces people to test the relative merits of their attitudes and behaviors. A) by which B) to which C) in that D) so...
【单选题】In intragroup conflict,
A.
sources of conflict can include ideas, thoughts, emotions, values, predispositions, or drives that are in conflict with each other.
B.
conflict occurs between individual people.
C.
conflict affects the ability of the group to resolve differences and continue to achieve its goals effectively.
D.
conflict is quite intricate because of the large number of people involved and possible interactions between them.
E.
None of the above describes intragroup conflict.
【单选题】下列说法符合原文意思的一项是( )。
A.
滥用抗菌药使得药物生产供不应求,医生手中掌握的药物已经越来越少
B.
现在,老一代抗菌药失去了原有作用,新一代抗菌药的质量则越来越差
C.
抗生素是一把“双刃剑”,它既能治疗疾病,又能促使新的疾病产生
D.
耐药菌的发展速度令人触目惊心,以致远远超过抗菌药的研制速度 查看材料
【判断题】肉用仔鸡光照目的是延长采食时间,促进生长发育。
【单选题】Conventional wisdom about conflict seems pretty much cut and dried. Too little conflict breeds apathy (冷淡) and stagnation (呆滞). Too much conflict leads to divisiveness (分裂) and hostility. Moderate lev...
【单选题】Stage two conflict is different from stage one conflict in that__________ .
A.
it is caused by daily disputes
B.
it is low in intensity
C.
it takes a form. of competition
D.
it always leads to loss offace