Listen to the two girls by the window. What language ？A、were they speakingB、did they spe

Listen to the two girls by the window. What language()？

A. were they speaking

B. are they speaking

C. did they speak

A.intensive listening and extensive listening

B.casual listening and focussed listening

（Para. 2, Passage Two）

And if we don’t really listen, we miss the feeling behind the words

A.is

B.are

C.was

D.has been

re here B: listen to the interview again and decide whether the following statements are true or false. Write T or F in the space provided. Discuss with your classmates why you think the statement is true or false. 1 the woman plans to stay there for a month.（）

A. Each fiber has half of its SONET capacity reserved for protection.

B. Two fibers in the span carry working traffic, while the other two fibers in the span are reserved for protection.

C. The signal is sent simultaneously in both directions around the ring. The receiver determines which fiber to listen to based on signal quality.

D. The signal is sent simultaneously in both directions around the ring. The transmitter determines which fiber has the working bit set for the receiver to acknowledge.

SECTION B CONVERSATIONS In this section you will hear two conversations . At the end of each conversation five questions will be asked about what was said. Both the conversation and the questions will be spoken ONLY ONCE. After each question there will be a ten-second pause, you should read the four choices of A,B,C and D, and mark the best answer to each question on ANSWER SHEET TWO. You have THIRTY seconds to preview the questions. Now listen to the conversations. Test 6.mp3: Conversation One 1.

A．The suit fits Kevin well

B．Kevin bought the suit for her

C．The suit is too expensive

D．Kevin should give her a new suit

y.If the medium is busy,the station will wait for a random amount of time. When two frames collide,the medium remains （） for the duration of transmission of both damaged frames. The use of random delays reduces the probability of（）. For（）frames,compared to propagation time,the amount of wasted capacity can be considerable.This waste can be reduced if a station continues to listen to the medium while（）.The maximum utilization depends on the length of the frame and on the（） time; the longer the frames or the shorter the propagation time，the higher the utilization..

A.convenientB.inconvenientC.usableD.unusableA.transmissionB.collisionsC.transportationD.receptionA.longB.shortC.bigD.smallA.collidingB.forwardingC.transmittingD.receivingA.propagationB.transmissionC.collidingD.listening