【简答题】Mary was very angry, that she left without saying a word.
【简答题】Mary was very angry, she left without saying a word.
【单选题】It was strange______ she left without saying a word.
【单选题】Mary was very angry, that she left without saying a word.
【简答题】铰链四杆机构具有急回特性时其极位夹角θ值 >0 ,对心曲柄滑块机构的θ值 =0 , 所以它急回特性,摆动导杆机构 急回特性。
【简答题】铰链四杆机构具有急回特性时其极位夹角 θ 值 ( ),对心曲柄滑块机构的 θ 值 ( ), 所以它( )急回特性,摆动导杆机构( )急回特性。
【判断题】我某进出口公司向国外客户询购某商品,不久外商发盘,有效期至1月22日,我方于1月20日回电,价格若能降至56美元可以接受,对方未作反应。1月21日我方得知国际市场行情有变,于当日又向对方去邮件表示接受对方发盘。由于接受未超过发盘所规定的有效期,此项交易达成。
【单选题】---Did she leave a message ___ she went? ---No, she left without a word.
【单选题】Mary was very angry, that she left without saying a word .
【简答题】{铰链四杆机构具有急回特性时其极位夹角θ值 ,对心曲柄滑块机构的θ值 , 所以它 急回特性。}