关于匀变速直线运动的位移的下列说法中正确的是（ ） A．加速度大的物体通过的位移

Nursing measures for the client who has had an MI include helping the client to avoid activity that results in Valsalva’s maneuver. Valsalva’s maneuver may cause cardiac dysrhythmias, increased venous pressure, increased intrathoracic pressure, and thrombi dislodgment. Which of the following actions would help prevent Valsalva’s maneuver

A. Have the client drink fluids through a straw.
B. Have the client avoid holding her breath during activity.
C. Have the client assume a side-lying position.
D. Have the client clench her teeth while moving in be

铝与镁在不同的电解质溶液中分别组成原电池A，B。

(1)指出各池中的负极材料并写出其电极反应式_________________________。

(2)从构成原电池的几个组成部分来看，判断原电池负极，除了要考虑金属的活动性外，还要考虑

____________________。

婚姻法属于（）。

A.普通法

B.特别法

C.实体法

D.程序法

患者，女，35岁， * * 分泌物增多伴腰酸3个月，妇检：宫颈肥大，颗粒突起，累及面积大于1/3，小于2/3。

最佳治疗为

A．全身抗炎

B．子宫全切术

C．宫颈锥切术

D．物理治疗

E．局部药物治疗

试总结碳酸盐岩结构—成因分类的共同性。