[单项选择]The passage says that every animal is a living radiator because it ______.
A. produces heat in its body cells
B. burns fuel to produce heat
C. sends out heat through its skin
D. takes in oxygen for burning fuel

[单项选择]The selection says that every animal is a living radiator because it ______.
A. produces heat in its body cells
B. burns fuel to produce heat
C. gives off heat through its skin
D. requires oxygen to produces heat

[单项选择]We learn from the passage that animal clones am likely to have______.
A. an abnormal shape
B. a bad temper
C. defective organs
D. immune deficiency

[单项选择]From the passage we can guess the animal "giraffe" must be very ________

[单项选择]There are no solitary, free-living creature; every form of life is ______ other form.
A. parallel to
B. dependent on
C. segregated from
D. overlapped with

[单项选择]

Every year New Zealanders living in London can be seen loading up Kombi vans and heading off to experience the "classic European holiday", The trip usually starts in the north of France, after crossing the channel from Dover in England to Calais, driving down through France, over the Pyrenees into Spain, west into Portugal and then across the Continent to Italy and often beyond. There are numerous reasons young New Zealanders take this rite of passage—as well as seeing all the fantastic sights and tasting the delights of Europe’s food and wine, it’s relatively inexpensive. The Kombi is transport and accommodation all in one, cutting down significantly on costs. There is just one problem. As the Kombis become "antique", these trips are usually punctuated with numerous roadside sessions as the van sits idle, in no hurry to start, while you swelter in the hot sun. But do not let this deter you. Travelling Europe in your own vehicle means no publ
A. New Zealand
B. England
C. France
D. Spain

[单项选择]RAD称为（）。
A. 软件工程
B. 计算机辅助软件工程
C. 快速应用开发
D. 软件再造工程

[单项选择]两齿轮啮合运动Z₁＝30，Z₂＝15，若ω₁＝5rad／s，则ω₂＝（）rad／s。
A. 10
B. 5
C. 20
D. 2.5

[简答题]一轿车（每个）前轮的侧偏刚度为-50176N/rad、外倾刚度为-7665N/rad。若轿车向左转弯，将使前轮均产生正的外倾角，其大小为4度。设侧偏刚度与外倾刚度均不受左、右轮负载转移的影响，试求由外倾角引起的前轮侧偏角。

[单项选择]两齿轮啮合运动，Z₁＝30、Z₂＝10，若ω₁＝57rad／s，则ω₂为（）rad／s。
A. 171
B. 10
C. 38
D. 5

[单项选择]Without the talking binoculars, a scout during radio silent scouting missions ______.

[单项选择]We should recognize that every company and every person is part of a long ______ of customers and suppliers.
A. pool
B. line
C. stream
D. chain

[单项选择]Seymour says that most tanneries today
A. have been running for over a hundred years.
B. are located in very old buildings.
C. are dependent on older workers.
D. still use traditional methods.

[单项选择]It (is) essential (that) every boy and every girl (has) the same educational (opportunities).
A. is
B. that
C. has
D. opportunities

[单项选择]Mary likes living （）.
A. lonely
B. alone
C. in person

[判断题]RAD7测氡仪采用的是闪烁瓶探测器。