lift
put
take
hold
第1题：
The magnetic field is provided by electromagnets so arranged that adjacent poles have ___.
A.opposite polarity
B.the same polarity
C.negative polarity
D.positive polarity
第2题：
第3题：
A.whatever
B.whichever
C.what
D.however
第4题：
A customer reports the optical drive is no longer responding. Which of the following questionsshould be asked FIRST?（）
第5题：
They（）for hours.
第6题：
If an electric cargo winch is being used to lift a draft of cargo and the engine room loses all power，which will occur ________．
A.A pawl，forced by a spring mechanism，will engage the teeth of the bull gear and hold the load
B.An electromagnetic brake will hold the load where it is suspended
C.The load will fall rapidly to the deck unless the foot brake is engaged
D.The load will slowly lower to the deck under control of the drag of the winch motor
第7题：
Sally,（）you have arranged for me tomorrow, it’s canceled.
A whatever
B whichever
C what
D however
第8题：
The girl arranged to have piano lessons at the training centre with her sister ________ she would stay for an hour.
A.where
B.who
C.which
D.what
第9题：
A client purchased a new internal hard drive to act as a second drive on a legacy machine. When the client attempts to install the drive, the cable connector on the new drive is not compatible with the available IDE cables. It is determined that the client has purchased a SATA hard drive. Which of the following would the technician recommend as the BEST solution to this situation?（）
第10题：
Drive brake