【简答题】Directions: Listentoa passage and choose the best answer from the four choices provided for eachquestionA. Read the online review of the product. B. Read the online review of the shipping. C. Write qu...
【简答题】England’s cricketers have had another __________ ( disaster ) day.
【单选题】使用消化架消化时,须()凯氏烧瓶(45度左右)。火力先小后大,避免黑色消化物溅到瓶口、瓶颈壁上,以致影响测定结果。
【单选题】Listento four statements about how people go to work. 1-3-E-4(1-4).mp3: ( )
【多选题】Listento an interview with a spokeswoman from the New York City Visitor's Center. Check the four topics she discusses.