为确切反映神经肌肉阻滞在气道肌群的起效和程度，监测部位应在（）
A.腕部
B.踝部
C.肘部
D.眼部四周
E.面部
参考答案：E
看图填空。
Do you know what a snowman is? We make snowmen in China. First we big ball of 1_________.
Then we make another small 2_________. We put the smaller one on the top. Let's make a
3_________ on the snowman. This 4_________ is his 5 _________. I have some little rocks for his 6_________ and 7_________. I have two 8_________ for his 9_________.
请画出图中入射光线经过凹透镜后的折射光线．
1_________.
2_________. We put the smaller one on the top. Let's make a 
4_________ is his 
5 _________. I have some little rocks for his 
6_________ and 
7_________. I have two 
8_________ for his 9_________.