患者,女性,39岁。诉左上颌后牙残冠求拔。口腔检查:左上第一磨牙牙冠大面积龋损,已无法修复。牙周检查未见异常。X线片示:腭根有边界清楚的圆形阴影,似与上颌窦无骨壁相隔。 拔除牙的腭根上连有一团肉芽组织,怀疑与上颌窦相通,常用的临床检查方法是
A. 器械检查
B. 鼻腔鼓气法测试
C. 直接直视下检查
D. 再摄X线片
E. 以上均可采用
查看答案
Policewomen
A. work together with policemen on the graveyard.
B. do the same thing as policemen.
C. can have days off but policemen cannot.
D. don’t have to work double-backs.
Section ADirections: This section is to test your ability to give proper responses. There are 5 recorded questions in it. After each question, there is a pause. The questions will be spoken two times. When you hear a question, you should decide on the correct answer from the 4 choices marked A), B), C) and D) given in your test paper. Then you should mark the corresponding letter on the Answer Sheet with a single line through the centre.
A. She is fine.
B. She lives with me.
C. She likes watching TV.
D. She goes to movies tonight.
某企业按规定可享受技术开发费加计扣除的优惠政策。年初,企业根据产品的市场需求,拟开发出一系列新产品,产品开发计划两年,科研部门提出技术开发费预算需500万元,据预测,在不考虑技术开发费的前提下,企业第一年可实现利润200万元,第二年可实现利润650万元。假定企业所得税税率为25%且无其他纳税调整事项,预算安排不影响企业正常的生产进度。现有两个投资方案可供选择: 方案1:第一年投资预算为300万元,第二年投资预算为200万元; 方案2:第一年投资预算为100万元,第二年投资预算为400万元。 要求: (1)分别计算两个方案第一年缴纳的所得税; (2)分别计算两个方案第二年缴纳的所得税; (3)从税收管理的角度分析一下应该选择哪个方案。