第1题:
【An overall cellular network contains a number of different elements from the base transceiver station (BTS) itself with its antenna back through a base station controller (BSC), and a mobile switching centre (MSC) to the location registers (HLR and VLR) and the link to the public switched telephone network (PSTN). Of the units within the cellular network, the BTS provides the direct communication with the mobile phones. There may be a small number of base stations then linked to a base station controller. This unit acts as a small centre to route calls to the required base station, and it also makes some decisions about which of the base station is best suited to a particular call. The links between the BTS and the BSC may use either land lines of even microwave links. Often the BTS antenna towers also support a small microwave dish antenna used for the link to the BSC. The BSC is often co-located with a BTS. The BSC interfaces with the mobile switching centre. This makes more widespread choices about the routing of calls and interfaces to the land line based PSTN as well as the HLR and VLR.】 From the paragraph above, in a cellular network, the (98) can provide direct communication with a mobile phone, the (99) acts as a small centre to route calls to the required base station, and it also makes some decisions about which of the base station is best suited to a particular call.(100) can be used to link the BSC with related BTS。
A. BSC B. BTS C. MSC D. VLR A. BSC B. BTS C. MSC D. HLR A. Land lines B. Microwave links C. Microwave dish antenna D. Land lines or microwave links
第2题:
第3题:
A. situation
B. occasion
C. emergency
D. condition
第4题:
BSP开账与结算计划(Billing and Settlement Plan)。
第5题:
第6题:
第7题:
第8题:
A
I was waiting for a phone call from my agent. He had left at message the night before, telling me that my show was to be cancelled. I called him several times, but each time his secretary told me that he was in a meeting and that he would call me later. So I waited and waited, but there was still no call. Three hours passing by, I became more and more and impatient. I was certain that my agent didn’t care about my work, and he didn’t care about me. I was overcome with that thought. I started to shout at the phone, “Let me wait, will you? Who do you think you are?”
At that time I didn’t realize my wife was looking on. Without showing her surprise, she rushed in, seized the phone, tore off the wires, and shouted at the phone, “Yeah! Who do you think you are? Bad telephone! Bad telephone!” And she swept it into the wastebasket.
I stood watching her, speechless. What on earth...?
She stepped to the doorway and shouted at the test of the house, “Now hear this! All objects in this room----if you do anything to upset my husband, out you go!”
Then she turned to me. Kissed me and said calmly, “Honey, you just have to learn how to take control.” With that, she left the room.
After watching a crazy woman rushing in and out, shouting at everything in sight , I noticed that something in my mood (情绪) had changed. I was laughing. How could I have trouble with that phone? Her anties helped me realize I had been driven crazy by small things. Twenty minutes later my agent did call. I was able to listen to him and talk to him and talk to him calmly.
56. Why did the author shout at the telephone?
A. He was mad at the telephone.
B. He was angry with his agent.
C. He was anxious about his wife.
D. He was impatient with the secretary?
第9题:
第10题:
中国移动英文全称的表述是?()