问题
单项选择题
襟翼控制组件内随动鼓轮驱动凸轮可用于（）
A.将襟翼动作信号反馈到控制活门
B.作动前缘装置控制活门
C.可作动7个电门
D.襟翼反馈信号，作动前缘装置控制活门，作动7个电门
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
襟翼控制组件内随动鼓轮驱动凸轮可用于（）
A.将襟翼动作信号反馈到控制活门
B.作动前缘装置控制活门
C.可作动7个电门
D.襟翼反馈信号，作动前缘装置控制活门，作动7个电门
参考答案：D
Top help you decide what might make a good pet ,we’ve put together a pet checklist .We’ve named some of the animals that are often kept as pets .We’ve shown some good points and bad points about each .And we hope it may help you make the best choice（选择）
A. suggested B. encouraged C. not allowed 小题2:It would be easier for you to keep a ______ as a pet if you’re often too busy to take care of it . A. rabbit or raccoon B. rabbit or cat C. raccoon or dog 小题3:If you feed birds at home , you should be very careful to choose a ______ as your another pet. A .rabbit B. raccoon C. cat 小题4:The dog may ______ you if you make it angry . A. hurt B. fix C. train 小题5:The writer tries to help us______ with the checklist . A. learn how to look after our pets B. find which animal is our best choice as a pet C. Know what kind of animals can be kept as a pet | ||||||||||||||||||