题目:
养护作业控制区应设置工程车辆专门的出、入口,并宜设在顺行车方向的()内。
A、下游过渡区
B、警告区
C、工作区
D、终止区
答案:
参考答案:A
养护作业控制区应设置工程车辆专门的出、入口,并宜设在顺行车方向的()内。
A、下游过渡区
B、警告区
C、工作区
D、终止区
参考答案:A
其矫治牙齿的矫治力,主要来自于月者的口颌系统肌力,这种矫治器是()
A.预防性矫治
B.阻断性矫治
C.功能性矫治器
D.个别正常
E.暂时性错
2009年12月18日,哥本哈根气候变化会议领导人会议在丹麦举行。中国国务院 * * 温 * * 与会并发表题为《凝聚共识加强合作推进应对气候变化历史进程》的重要讲话,并向世界郑重承诺到 年,中国单位国内生产总值二氧化碳排放比2005年下降 。
A.2015 30-40%
B.2020 40-45%
C.2050 40-45%
D.2020 45-50%
患者男,70岁,上下颌牙列缺失,检查:见患者牙弓形态正常,牙槽嵴平整,较丰满,常规行全口义齿修复,制取蜡堤转移颌位记录
关于全口义齿排牙原则的表述,下列哪一项全面准确()
A.以生物力学为主的原则
B.以机械力学为主的原则
C.后牙以美观为主
D.前牙以功能为主
E.有利于美观、功能和组织保健3个方面
阅读理解。 | ||||||
New friends. Fresh lifestyle. Better career opportunities...Those are attractions of overseas study foryoung people in China."Start early, finish strong, some of them say. More than 300 universities from 27 countries and regions were represented at last weekend's international education exposition (展览).
| ||||||
1. If you want to have more chances of getting scholarship to study in a foreign country, you'd better choose _______. | ||||||
A. Canada B. the UK C. the US D. Australia | ||||||
2. Many young people go to study in the US because _______. | ||||||
A. it is not very difficult for them to get a student visa B. it is easier for them to pass the TOFEL or GRE C. they don't spend much time applying to US universities D. they think they can receive good university education | ||||||
3. If you want to go on staying in the country after you finish studying there, you will choose _______. | ||||||
A. the Netherlands or Australia B. Canada or Australia C. the US or the UK D. Canada or Italy | ||||||
4. According to the passage, which of the following is NOT true? | ||||||
A. Students go to the Netherlands usually for its beautiful scenery. B. You can apply for your visa to study in Australia on the Internet. C. You may have trouble with language if you study in Italy. D. The UK is the country with very high expenses. |
胃十二指肠溃疡急性穿孔最重要的诊断依据是
A.上腹部刀割样剧痛
B.肝浊音界缩小
C.x线检查可见膈下游离气体
D.腹式呼吸音减弱
E.板状腹