【单选题】The author likes to work on his own while turning off the phone.
【单选题】如图电路所示,通过10Ω电阻的电流 等于
【单选题】在电子行业的自动生产线中广泛地应用了气动技术,其优点是()。
B.
精确度高、气动元件容易制作、便于集中供应和输送
C.
气动元件容易制作、便于集中供应和输送、传动反应快
【简答题】The author likes to add some art work into the nursery rhyme teaching.
【多选题】机床夹具的作用有哪些? (多选) A 、缩短辅助时间,提高劳动生产率 B 、确保并稳定加工精度,保证产品质量 C 、降低对操作工人的技术要求和工人的劳动强度 D 、机床的加工范围得到扩大
【简答题】The author likes to use his cell phone, his ATM card, his voice mail and his email account, which he thinks are ______ for what they are intended to do.