评价汽车的制动效能的主要参数是()。
A.制动力
B.制动减速度
C.制动时间
D.制动距离
参考答案:B, C, D
根据句意、首字母提示或英文解释完成单词的拼写
1. The a ____ of the story is Lu Xun.
2. We will take some food and drinks for the (an occasion when the food is taken to be eaten
outdoors).
3. ____ (at last), we got to the top of the hill after 2 hours' climbing.
4. My parents are ____ (one and the other; two) teachers.
5. My ____ (like…best) season is spring.
固井质量检查测井中进行磁定位测井的目的是()和(),为完井后射孔的准确性提供依据。