【判断题】You’d better bring your cell phone and it’s blue light to bed.
【单选题】如图所示的平面机构中,曲柄OA长100mm,以角速度ω=2rad/s转动。连杆AB带动摇杆CD,并拖动轮E沿水平面纯滚动。已知:CD=3CB,图示位置时A,B,E三点恰在一水平线上,且CD⊥ED。求:此瞬时点E的速度。【图片】
【判断题】Often the exact length of an engagement bases upon how quickly it takes the couple to save up for and arrange the wedding.
【单选题】You’d better bring a raincoat ______ it is fine now.
【单选题】Although the couple didn’t choose to sleep in the wild instead of in the hotel, it_______ unexpectedly beautiful.
【单选题】[单-急危重症护理学] 晚上9点,护士小王配合医生进行重病人抢救,下列行为错误的是:
B.
抢救结束,使用完的输血袋双人核对后送输血科保存24小时
D.
整理抢救车的药物和用品,待白班护士补充用过的药物