确定牙髓炎的患牙简便而可靠的方法是A．温度测验 B．电活力测验 C．酸、甜测验 D． 发布时间：2017-05-27 02:15 │ 来源：www.tikuol.com 题型：单项选择题 问题： 确定牙髓炎的患牙简便而可靠的方法是A．温度测验B．电活力测验C．酸、甜测验D．探查E．叩诊
题型：单项选择题 完形填空。 Napoga Gurigo is a 12 -year- old girl in Ghana, Africa. It is 1 for her family to get clean water. The nearest place to get water is a dirty hole half a kilometer from their 2 . Every morning, Napoga 6 home at half past five to get water for her family. Sometimes it 4 sixhours to get enough clean water. Napoga has no time to go to school 5 play with her friends. Millions ofpeople in the world are like Napoga. They can't get enough clean water to 6 healthy. Most of those peopleare in Africa. Water covers 70 per cent of the Earth's surface. But most of that is sea water. We can't use itfor drinking or cooking. Fresh water is 7 we use to drink, take showers and cook food. But fresh water 8 only 1 per cent of the Earth's surface. Many people have made wells to get clean water from 9 . But there still isn't enough. Scientists saythat in 30 years, more than half of the people in the world 10 have enough clean water. ( )1. A. easy ( )2. A. school ( )3. A. goes ( )4. A. spends ( )5. A. and ( )6. A. keep ( )7. A. that ( )8. A. takes ( )9. A. under the surface of the ground ( )10. A. won't B. hard B. city B. staysB. costsB. or B. get B. / B. runs B. above the surface of the ground B. will C. fun C. country C. leaves C. pays C. but C. have C. what C. flows C. the rivers C. can D. impossible D. village D. comes D. takes D. while D. do D. when D. covers D. the sea D. can't 查看答案
题型：单项选择题 下列胸腔积液影像，哪项不对（）A.正位片，100ml积液即可有肋膈角变钝、消失B.立位片，中等量胸腔积液时不能显示患侧膈肌C.正位片，后胸壁包裹性积液为边缘模糊致密影D.切线位，包裹性积液为梭形致密影E.正位片，斜裂叶间积液为片状模糊影 查看答案