【单选题】下列不属于句子教学设计的重点的是( )。
【判断题】If passengers are traveling on another airline, they may need to collect their luggage first then check in for their next flight.
【单选题】The people of China are working very hard to make concerted efforts to invigorate the country.
【单选题】在直径400mm的工件上车削沟槽,若切削速度设定为100m/min,则主轴转速宜选:
【单选题】在直径400mm的工件上车削沟槽,若切削速度设定为100m/rain,则主轴转速宜选( )r/rain。
【单选题】From the school name______on the package, we guessed that it might belong to a student of our sc
A.
14. From the school name______on the package, we guessed that it might belong to a student of our school. A.to mark
【单选题】在直径400mm的工件上车削沟槽,若切削速度设定为100m/min,则主轴转速宜选( )r/min。