【单选题】It is said the couple fell in love_____ they met.
C.
for the first time that
【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.