One day while a girl was walking in the woods she found two starving songbirds. She took them home and put them in a small (16) She cared for them and felt great love for them.

Once the (17) and per of the two birds flew from the cage. Therefore, (18) he flew close, she grasped him (19) She felt glad, but suddenly she felt the bird go limp. She opened her hand and (20) in horror at the dead bird.

She noticed the other bird moving back and forth on the edge of the cage. She could feel his great need for (21) She lifted him from the cage and (22) him softly into the air. The bird circled once, twice, three times.

The girl watched delightedly at the bird’ s enjoyment. Her heart was no longer (23) with her loss. Suddenly the bird flew closer and (24) softly on her shoulder. It sang the sweetest melody that she had ever heard.

The fastest way to (25) love is to hold on it too tightly, while the best way to keep love is to give it WINGS!

16().

A.cage 

B.box 

C.tank 

D.room

下面对术后镇痛常用给药途径的叙述中不正确的是（）。

A.神经阻滞：臂丛、股神经、椎旁神经阻滞可产生于硬膜外镇痛类似的镇痛效果，但不良反应明显减少，常用药为局麻药

B.硬膜外：可用于脊神经支配区域的大部分手术术后镇痛，主要药物为局麻药或阿片类药，两者不可混用

C.静脉：镇痛起效快，使用方便，常用药为阿片类、非甾体抗炎药（如酮洛酸、氟比洛芬酯微球）。阿片类个体差异大，需及时调整剂量

D.硬膜外：可用于脊神经支配区域的大部分手术术后镇痛，主要药物为局麻药或阿片类药，两者可单用，也可联合应用

E.皮下：起效比静脉慢，但不良反应少，药物主要为阿片类药