当变压器容量由冷却方式而变更时,则额定容量是指()。A、最大的容量 B、最小的容量 发布时间:2017-04-26 01:14 │ 来源:www.tikuol.com 题型:单项选择题 问题: 当变压器容量由冷却方式而变更时,则额定容量是指()。A、最大的容量B、最小的容量C、中间的容量D、不确定
题型:单项选择题 完形填空。 Perhaps you ride a bicycle to school. Riding a bicycle can be great fun. Do you know how to ride a bicycle 1 ? Careful boys and girls learn to ride their bicycle well 2 they go out on the road. How can youtell 3 you are a good rider? If you can ride a bicycle in a straight line, you can ride well. If you can't ,you should practise riding 4 a safe place. To be safe on a bicycle, you 5 to use both hands and both feet. 6 yourfeet on the pedals and your hands on the handle bars at all times. Do you have a basket on your bicycle? If so, put your books and packages in it. Then you can 7 both hands on the handle bars. You know that your bicycle is built for one person. It is not safe to carry anyone 8 you. 9 is thisso? Keep 10 safe by safety rules when you ride on a bicycle. Watch where you are going at all times.( )1. A. safe ( )2. A. as soon as( )3. A. that ( )4. A. in ( )5. A. must ( )6. A. Keep ( )7. A. keep ( )8. A. to ( )9. A. Where ( )10. A. it B. safetyB. beforeB. how B. on B. need B. Make B. make B. for B. Why B. yours C. safely C. after C. what C. at C. may C. Let C. let C. with C. What C. you D. save D. until D. whether D. to D. can D. Get D. get D. by D. How D. yourself 查看答案
题型:单项选择题 患儿,4岁。患室间隔缺损,病情较重,平时需用地高辛维持心功能。现患儿因上呼吸道感染后诱发急性心力衰竭,按医嘱用西地兰,患儿出现恶心、呕吐,视力模糊。要确定上述判断还应做的检查是()。A.粪便检查B.心脏B超C.X线检查D.心电图检查E.心导管检查 查看答案