【单选题】【消耗次数：1】
当动力电池组具有较高的电量且动力电池组输出功率满足整车行驶功率需求时，串联混合动力电动汽车以（ ）模式工作，此时发动机-发电机组处于关机状态。
①
再生制动充电
②
纯电池组驱动
③
混合动力驱动
④
混合补充充电
参考答案：
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相关题目
【单选题】
启动车辆时仪表报动力电池故障 动力电池高压断开故障，首先应（）
①
先检查前舱电器盒内动力电池低压供电保险是否熔断
②
先使用北汽新能源专用诊断仪读取故障码再进行下一部检查
③
先检查动力电池低压供电
④
先检测电源线是否有短路、断路现象
【单选题】
某混合动力汽车以25 m/s车速匀速行驶30min，再生制动时，超级电容器组得到960kJ的能量。当超级电容器组得到的所有能量都用于驱动汽车作30min的匀速行驶时，其提供的功率为 （ ）。
①
233.33W
②
333.33W
③
433.33W
④
533.33W
随机题目
【单选题】
12. When we arrived, we found the meeting room crowded with ____ students.
①
quite a few
②
only a few
③
few
④
a few quite
【单选题】
9. These children are ____this year than they were last year.
①
more tall
②
more taller
③
very taller
④
much taller
【单选题】
1. This box is ____that one.
①
heavy than
②
so heavy than
③
heavier as
④
as heavy as
【单选题】
14. Through the window we can see nothing but ____ buildings.
①
tall very many
②
very many tall
③
very tall many
④
many very tall
【简答题】
Thousands of years ago in Egypt (埃及)， Kings built the pyramids (金字塔). They used to build them as their tombs (坟墓). The kings thought the pyramids would help them find life [填空1]death. They also wanted the world remember them as important people. Some pyramids were for queens, but they are [填空2]interesting because they are not so big. The[填空3]pyramid that we know today is the pyramid that we know today is the pyramid near Sahara ( 撒哈拉沙漠) in Egypt. It is about 5,000 years old. There are many pyramids along the Nile River (尼罗河). The largest is the pyramid of Khufu (法老胡夫). It is made of two million three hundred thousand huge stones, most of [填空4]higher than a person. It is about 144 meters high. Inside the pyramid[填空5]the burial rooms (墓室）for the king and queen and long passage (通道) ways [填空6]these rooms. The rest of the pyramid is solid (坚固的) stone. We know there were wonderful[填空7]in the pyramid. Robbers[填空8]into the pyramids and took many of these treasures (财宝). Today some of the treasures are in museums [填空9]. How did the people of ancient [填空10]build the pyramids?How did they carry and lift the huge stones? Each stone [填空11]so well and they didn’t have our[填空12]machines. Scientists[填空13]the pyramids but nobody can say just how they [填空14]. Some day if you can, you ought to go to see the pyramids. I[填空15]you that they would be amazing.1. A. beforeB. afterC. behindD. in front of2. A. moreB. lessC. noD. very3. A. eldestB. youngestC. oldestD. smallest4. A. themB. whomC. whichD. that5. A. there areB. there isC. areD. is6. A. toB. withC. forD. in7. A. treasureB. treasuresC. moneyD. gold8. A. cameB. wentC. brokeD. walked9. A. thoughB. howeverC. everD. since10. A. dayB. momentC. momentsD. days11. A. wearsB. fitsC. liftsD. carries12. A. freshB. electronicC. modernD. scientific13. A. have studiedB. will studyC. studiedD. were studying14. A. have done thatB. did soC. did itD. are doing it15. A. sureB. assureC. insureD. ensure
【单选题】
9.“Has he seen this film?” “Yes. He _______ it several days ago.”
①
saw
②
has seen
③
had seen
④
was seeing
【单选题】
2.She the door before she goes away.
①
had locked
②
is locking
③
has locked
④
was locking