【单选题】—________I do the laundry first, Mum? —No, you ________. You can do your homework first.
【单选题】图示为矩形波发生电路,若要增大矩形波的占空比,应使电位器R2的滑动端_____。【图片】
【单选题】- Mum, must I do shopping tonight? - No, you _______.You can do it tomorrow.
【单选题】— Mum, would you please buy me an ipad? — If you can help do the dishes the whole vacation, you ______ have one as a reward.
【单选题】Do you help your mum _____________ the housework? [ ]
【单选题】直径尺寸应尽量注在( )视图上,而半径尺寸必须注在( )视图上。
【单选题】护士准备按医嘱给患者注射西地兰0.1mg,西地兰针剂的剂型是0.4mg/2ml。护士应该注射的毫升数是(2013)
【单选题】—Must I do my homework now, Mum? —_______. You can do it tomorrow.