【简答题】The secretary worked late into the night, (prepare) ______a long speech for the president.
【单选题】将4gNaOH溶液溶解在10ml水里,然后稀释成1L溶液,从中取出10ml,这10ml溶液的物质的量浓度是 [ ]
【单选题】下列滚动轴承密封方式中, 属于非接触式密封。
【单选题】将4gNaOH溶解在10mL水中,然后稀释成1L溶液,从中取出10mL,这10mL溶液的物质的量浓度是( )
【简答题】浴比为1:10则表示1克织物用( ) A 10ml染料母液 B 10ml水 C 10ml工作液 D 10 ml水和 10ml染液
【单选题】下列不属于麦肯基力学诊断中腰椎的静态试验的是
【简答题】#incclude int i=0 i++
【单选题】The secretary worked late into the night, _______ a long speech for the international conference. [ ]
【单选题】基础胃液量
【单选题】The secretary worked late into the night.She was preparing a long speech for the manager.(改写成现在分词作状语)
A.
The secretary worked late into the night,preparing a long speech for the manager.
B.
The secretary working late into the night,She was preparing a long speech for the manager.
C.
The secretary worked late into the night,she preparing a long speech for the manager.