既替余以蕙壤兮，______________。_______________，虽

女，47岁。背部痈伴全身症状，需抽血做血培养，最佳取血时间是（）.

A.任意时间

B.间歇期

C.寒战、高热时

D.体温下降后

E.抗生素输入2小时后

原发性肺结核胸部X线检查的主要特征包括（）。

A.局部炎性淋巴结相对肿大

B.局部炎性淋巴结相对较小

C.淋巴结无改变

D.肺部的初染灶相对较大

E.肺部的初染灶相对较小

根据《汽车驱动桥修理技术条件》（GB8825—88）技术要求，圆锥主、从动齿轮（）为0.15～0.50mm。

A.长度

B.宽度

C.厚度

D.啮合间隙

A client who is 7 months pregnant reports severe leg cramps at night. Which nursing action would be most effective in helping her cope with these cramps

A．Suggesting that she walk for 1 hour twice per day.

B．Advising her to take over-the-counter calcium supplements twice per day.

C．Teaching her to dorsiflex her foot during the cramp.

D．Instructing her to increase milk and cheese intake to 8 to 10 servings per day.

井控演练操作从发出关井信号开始到关井结束，正常情况下应在（）分钟之内完成，否则为不及格。

A、2

B、3

C、5