【单选题】Passage 2
A.
They think it is understandable.
B.
They find it hard to accept.
C.
They doubt whether it is necessary.
D.
They think it is a waste of time.
【简答题】Passage 2 A few foreigners work with an animal protection group to protect pandas.
【单选题】发动机工作过程中,向ECU提供活塞上止点位置信号的传感器是()
【单选题】Passage 2
A.
They made improvements step by step.
B.
They were able to handle things well.
C.
They did things that could hurt them.
D.
They caused trouble they couldn't fix.
【判断题】脊柱侧弯Cobb角,大于25°,建议手术治疗。
【单选题】发动机工作过程中,向ECU提供活塞上止点位置信号的传感器是( )。