行车电子稳定程序英文缩写为()。
A.cvt
B.abs
C.esp
D.vvt
参考答案:C
Could you please _____ your room after you get up every day? [ ]
A. swept
B. cleans
C. cleaning
D. clean
安全技术措施等级应按下面哪种等级顺序选择()
(1)本质安全
(2)安全防护装置
(3)报警装置、警示标志等
(4)操作规程、教育、培训和个人防护用品等
A.(1)(2)(3)(4)
B.(1)(2)(3)(4)
C.(2)(4)(3)(1)
D.(3)(1)(4)(2)