上颌结节阻滞麻醉,如针头污染可引起哪个间隙感染()
A.颞下间隙
B.眶下间隙
C.咬肌间隙
D.翼下颌间隙
E.下颌下间隙
参考答案:A
阅读短文,根据首字母提示用合适的单词填空。(共10题,每小题1分,计10分)
Hi! My小题1:n______ is Linda. I am 12 years小题2:o_______. I 小题3:s________ at No. 2 Middle School. I go to school 小题4:f________ Monday to Friday. My favorite day is 小题5:F________. We have art and PE lessons and we have beef for lunch. Beef is my favorite 小题6:f__________. My favorite小题7:t________ is Miss White. She is our 小题8:E________ teacher. She has 小题9:l________ hair. She loves小题10:m__________. She often sings for us.
下列关于债务筹资的说法,不正确的是()。
A.债务筹资产生合同义务
B.公司在履行合同义务时,归还债权人本息的请求权优先于股东的股利
C.提供债务资金的投资者,没有权利获得高于合同规定利息之外的任何收益
D.因为债务筹资会产生财务风险,所以债务筹资的成本高于权益筹资的成本