第27题: [单项选择]患儿，女性，7岁，左下颌乳侧切牙松动Ⅲ度，侧切牙已于舌侧萌出牙冠的1/4，乳牙拔除时应选择的麻药及麻醉方式 A. 2%普鲁卡因行唇、舌侧局部浸润麻醉 B. 2%利多卡因行唇、舌侧局部浸润麻醉 C. 2%含肾上腺素普鲁卡因行左侧下牙槽神经、舌神经、颊神经阻滞麻醉 D. 2%含肾上腺素利多卡因行左侧下牙槽神经、舌神经、颊神经阻滞麻醉 E. 2%丁卡因行局部表面麻醉 参考答案:E
第28题: [单项选择]What is the purpose of Professor McKay’’s report ？（） A. To look into the mental health of old people. B. To explain why people have negative views on old age. C. To help correct some false beliefs about old age. D. To identify the various problems of old age. 参考答案:C
A. The man is learning how to use a computer. B. The woman is showing the man how to put page numbers on a document. C. The man is printing a document. D. The man is using his computer to do mathematical functions. 参考答案:B 答案解析:W. What's the problem M: I can't figure out how to put the page numbers on. I've done everything
