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发布时间:2023-09-28 04:38:28

[单项选择]How fast will a rocket go to escape completely from the Earth's gravity ______


A. Seventy miles per second.
B. Seven thousand miles per hour.
C. Twenty-five thousand miles per second.
D. Twenty-five thousand miles per hour.

更多"How fast will a rocket go to escape"的相关试题:

[单项选择]How does Peter go to work every day
A. By bike.
B. By bus.
C. On foot.
[单项选择]He never showed others how fast he could run.


[单项选择]How can the man go skiing()
A. He will persuade his parents.
B. He will lie to his parents.
C. He will go without his parents’ permission.
D. He will go somewhere else before going skiing.
[单项选择]How did the driver possibly go into the church


A. He went with the priest.
B. He followed the priest.
C. He went through another door by running.
D. He went into the church faster before the priest while he did not notice him.
[单项选择]You never realize how fortunate you are to have good health until it is suddenly brought home to you by the sight of suffering.()
A. 除非你突然亲眼目睹体弱多病之苦,不然,你不会队识到你有一个健康的身体是何等幸运。
B. 你永远不会意识到拥有健康是多么幸运,除非健康光临你家。
C. 除非健康和苦难同时降临你家,否则,你不会幸运的。
D. 你从来不知道拥有健康是多么幸运。直到有一天,疾病突然降临,你才如梦方醒。
[单项选择]How often does the man go walking
A. Often. B. Twice a week. C. Once a week.
[单项选择]· Read the following article about ’Go-Fast’, a cost-saying programme introduced by the car manufacturer General Motors, and the questions on the opposite page.· For each question (15-20), mark one letter (A, B, C or D) on your Answer Sheet.
Somewhere today, a group of staff from General Motors will meet as part of the ’Go-Fast’ programme, and hammer out a new initiative to cut costs and bureaucracy. They may focus only on wiper-blades, or staff appraisal, or showroom design. But by this afternoon, there should be an outline savings plan, which will, when implemented, be measured carefully for signs of success. The aim is to transform GM from a lumbering leviathan into the corporate equivalent of a sports car. The intention is not just to be big - GM is one of the biggest car manufacturers in the world - but to be fast, particularly in its responsiveness to the market. The success of the programme is reflected in the large number of suggestions being introduced - far more than in the old days, when every change had to come from senior managers focusing on the ’big picture’. The progress made has trans- formed investor perceptions of GM. Before the Go-Fast programme was introduced, the conventional wisdom was that GM’s market share was in permanent free fall and its organisation incapable of doing anything about it. Now, the decline has been turned around, and the senior managers’ change of approach has led to the company being energised with a winning spirit that has unlocked long-dormant capabilities. That it took a firm of consultants to help devise the programme is perhaps a sad reflection of the danger of corporate thinking becoming inflexible. The shareholders’ support of GM’s strategy to become more outward-looking and innovative is some- thing of a luxury, though in the long run success would convince even the most sceptical shareholders. The strategy includes beating down on costs and extracting maximum synergies from GM’s numerous alliance partners, such as its tooling suppliers, and exchanging ideas and management tools with other corporations of widely differing sizes, sectors and nationalities. Having such input is one thing, but its value would be undermined without a coherent mechanism to put ideas into practice, and this is where the consultants proved invaluable. In the car industry, however, there was plenty of scepticism about the programme when it was first announced, with many convinced that only much smaller organisations stood a reasonable chance of making such a transformation, particularly when it involved changes to the company culture. Surprisingly, perhaps, this fear was not shared by the consultants who helped senior management to design the programme and, crucially, effect a change in leader- ship skills; rather, they were more concerned about the impact that pockets of opposition within GM might have. The results of the scheme so far give rise to cautious optimism. No aspect of GM’s work can hide from scrutiny, and initial fears of a lack of ’joined-up thinking’ about the impact of one change on other areas soon dissipated, as the ’leadership panels’ responsible for approving and implementing changes took a broader view. But while internal management has improved dramatically, many analysts are sceptical that the initiatives can outweigh GM’s mountainous pension obligations. The company is still suffering the effects of poor decisions in the past, such as the choice of certain alliance partnerships, and a major change of strategy might be necessary to recover from these. If this were to take place, the company’s core car manufacturing would need to be much more firmly rooted than it is at present, to ensure it didn’t suffer from lack of focus. However, the architects of the scheme are confident that GM will be far more outward-looking and innovative in the near future.
What point is made in the first paragraph about GM’s ’Go-Fast’ programme
A. The intention behind it is to increase GM’s market share.
B. Suggestions need to be agreed by senior managers.
C. All areas of business are examined for possible improvements.
D. Senior managers are excluded from the initial discussions.
[单选题]The _______ measures how fast the ambient air pressure is increasing or decreasing when the aircraft climbs or descends.
A.attitude indicator
B.vertical speed indicator
C.tachometer
D.altimeter
[填空题]
Halloween used to be something quite different from the celebration of sugary greed that goes on today.
Earlier in this century, Halloween was a night when boys played tricks on their neighbors. These tricks were {{U}} (47) {{/U}}, but more closely resembled practical jokes. For example, the boys might lift an outhouse off its foundations and move it to someone else’s yard, or they might {{U}} (48) {{/U}} a door from its hinge and leave it on the owner’s roof. Such tricks required skill and planning, and the victims were {{U}} (49) {{/U}} neighbors or relatives. Usually, the boys do this to knock back what the adults bad done to them which they thought wrong. Thus, Halloween became a night when young people took their "{{U}} (50) {{/U}}" on adults in a way that was, for the most part, permitted by the community.
But as time passed by, Halloween lost most of its original traditions. Today, the only remnant is found in the "trick
[单项选择]Tom: Employers complain that people graduating from high school too often lack the vocational skills required for full-time employment. Therefore, since these skills are best acquired on the job, we should require high school students to work at part-time jobs so that they acquire the skills needed for today’s job market.
Mary: There are already too few part-time jobs for students who want to work, and simply requiring students to work will not create jobs for them.
Which one of the following most accurately describes how Mary’s response is related to Tom’s argument
A. It analyzes an undesirable result of undertaking the course of action that Tom recommends.
B. It argues that Tom has mistaken an unavoidable trend for an avoidable one.
C. It provides information that is inconsistent with an explicitly stated premise in Tom’s argument.
D. It presents a consideration that undercuts an assumption on which Tom’s argument depends.
E. (E) It defends an alternative solution to the problem that Tom describes.
[判断题]People suffering high blood sugar can be freed from medication if they take a fiber-rich diet.
[单项选择]Let's say you could go there again, how ______ feel
A. will you
B. should you
C. would you
D. do you

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