投照上前牙时应使（）。 A.听口线与地面平行 B.前牙的唇侧面与地面垂直 C 发布时间：2017-06-29 23:00 │ 来源：www.tikuol.com 题型：单项选择题 A1型题 问题： 投照上前牙时应使（）。A.听口线与地面平行 B.前牙的唇侧面与地面垂直 C.听鼻线与地面平行 D.听眶线与地面平行 E.咬合平面与地面平行
题型：单项选择题 A1型题 把4种不同体积、不同浓度的X溶液，分别加入4个盛有10mL 2mol•L-1盐酸的烧杯中，并加水稀释到50mL，此时X和盐酸进行反应，其中反应速率最大的是（ ）A．20mL，3mol•L-1B．25mL，2mol•L-1C．18mL，4mol•L-1D．10mL，3mol•L-1 查看答案
题型：单项选择题 A1型题 Improve Sleep Good health needs good sleep. Going to bed before you're tired. Not eating or reading in bed. Go to bed at the same time before midnight and get up at the same time. Your body likes routine for a good night's sleep.Stay away from the Flu Studies show that a cold or flu virus can live on our hands for a long time. So wash all parts of your hands often with soap and water. For more ways to prevent the spread of the flu, please call Health Line at 1800-848-1313.Oral Health Brush your teeth twice a day and visit the dentist at least once a year. The mouth is a mirror of disease. The oral examination is not only for the health of teeth, but the whole body. For more of it, please visit www.mydr.com.au.Fit for Life Studies have shown that many diseases have something to do with less or no physical activity. Try to do it for 30 minutes a day, 5 days or more a week. For more information, please call Health Line at 1800-438-2000.小题1:If you want to get a good sleep, you'd better _______.A．go to bed after you're triedB．go to sleep at midnightC．follow the bedtime routineD．eat something or read in bed小题2:You should visit the dentist at least once a year because_______.A．the oral examination is necessaryB．you don't often brush your teethC．some diseases may be in the mirrorD．you don't have a good night's sleep小题3:Studies have shown that many diseases have something to do with_______.A．having no oral examinationB．washing hands with cold waterC．sleeping too late sometimesD．doing little physical activity小题4:When you want to learn more about the flu, you can_______.A．visit www.mydr.com.auB．call Health Line at 1800-848-1313C．visit the dentist in your placeD．call Health Line at 1800-438-2000 查看答案
