【单选题】David and Laura are probably ______.
【简答题】Listen to Imogen, David, Frank and Laura. What cities are they describing? What words helped you decide? Match the photos (a – d) with the cities.
【简答题】Task 3 You are Laura, a communication assistant at Walmart, Inc. Your supervisor, David Oaks, needs to write a press release announcing the opening of a new Walmart store. You are going to leave a voi...
【单选题】.五只等值电阻,如果串联后的等效电阻是1KΩ,若将其并联,则等效电阻为( )。
【单选题】David and Laura are probably__.
【单选题】五只等值的电阻,如果串联后的等效电阻是1kΩ,若将其并联,则等效电阻为( )。
【单选题】五只等值电阻,如果串联后的等效电阻是1KΩ,若将其并联,则等效电阻为( )。
【简答题】检修故障的方法很多,有________法、________法、________法等。
【简答题】You are Laura, a communication assistant at Walmart, Inc. Your supervisor, David Oaks, needs to write a press release announcing the opening of a new Walmart store. You are going to leave a voice mess...