单项选择题

SECTION A CONVERSATIONS
In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow.

Questions 1 to 4 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions.
Now listen to the conversation.
How is Jacky recently

A．He is fine.
B．He is sick.
C．He is crazy about Internet.
D．He feels depressed for no reason.

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问答题

[听力原文]Expanded use of computer technology, development of stronger and lighter materials, and research on pollution control will produce better, smarter automobiles. In the 1980s the notion that a car would talk to its driver was science fiction; by the 1990s it had become reality. Onboard navigation was one of the new automotive technologies in the 1990s. By using the satellite-aided global positioning system (GPS), a computer in the automobile can pinpoint the vehicle’s location within a few feet. The onboard navigation system uses an electronic compass, digitized maps, and a display screen showing where the vehicle is relative to the destination the driver wants to reach. After being told the destination, the computer locates it and directs the driver to it, offering alternative routes if needed. Some cars now come equipped with GPS locator beacons, enabling a GPS system operator to locate the vehicle, map its location and, if necessary, direct repair or emergency workers to the scene.

单项选择题

The Car Club couldn't ______ to meet the demands of all its members.

A．assume
B．ensure.
C．guarantee
D．confirm

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