题目内容
Every human being, no matter what he is doing, gives off body heat. The usual problem is how to get rid of it. But the designers of the Johnstown campus（校园）of the University of Pittsburgh set themselves the opposite problem – how to collect body heat. They have designed a collection system which uses not only body heat, but the heat given off by such objects as light bulbs and refrigerators as well. The system works so well that no fuel is needed to make the campus’s six buildings comfortable.
Some parts of most modern buildings – theaters and offices as well as classrooms, are more sufficiently heated by people and lights and sometimes must be air – conditioned（使用空调的）even in winter. The technique of saving heat and redistributing（再分配）it is called “heat recovery”. A few modern buildings recover heat, but the University’s system is the first to recover heat from buildings and reuse it in others.
Along the way, Pittsburgh has learned a great deal about some of its producers. The harder a student studies, the more heat his body gives off. Male students send out more heat that female students, and the larger a student is, the more heat he produces. We may conclude that the hottest prospect for the Johnstown campus would be a hard working overweight male genius（天才）.
1．What is the characteristic of the buildings on Johnstown campus of the University of Pittsburgh?
A．They collect body heat to control the temperature inside.
B．They are more comfortable to live in than other buildings.
C．They use the light bulbs to heat the classroom.
D．They use less fuel to keep the classroom cool.
2．According to the passage, the technique of heat recovery is used .
A．to find the producers of heat
B．to provide heat for the hot water system
C．to make the campus more beautiful
D．to collect heat and reuse it
3．The underlined phrase “the hottest prospect” in this passage refers to .
A．the person who suffers most from heat
B．the person who needs more heat that others
C．the person who gives off most heat
D．the person who makes better use of heat
4．Which of the following may be the best title for this passage?
A．Recovery of Body Heat
B．Modern Building’s Heat System
C．Body Heat and Its Producers
D．Ways of Heating Building
1.A 2.D 3.C 4.A
__【小题1】___ Scientists and experts have proved the uniqueness of finger-prints and discovered that no exactly similar pattern is passed on from parents to children, though nobody knows why this is the case.
The ridge （隆起） structure on a person's fingers does not change with growth and is not affected by surface injuries. Burns, cuts and other damage to the outer part of the skin will be replaced in time by new one, which bears a reproduction of the original pattern.【小题2】 Some criminals make use of this fact to remove their own finger-prints but this is a dangerous and rare step to take.
Finger-prints can be made very easily with printer's ink. They can be recorded easily.
___【小题3】___ Because of the simplicity and economy of this system, finger-prints have often been used as a method of solving criminal case. A suspected man may deny a charge but this may be in vain. ___【小题4】___ .
When a suspect leaves finger-prints behind at the scene of a crime, they are difficult to detect with the naked eye. ___【小题5】___ . Some of the marks found are incomplete but identification is possible if a print of a quarter of an inch square can be obtained.
| A．Special techniques are used to "develop" them. |
| B．A fingerprint is an impression of the friction ridges of all part of the finger. |
| C．It is only when the inner skin is injured that the arrangement will be destroyed. |
| D．With special methods, identification can be achieved successfully within a short time. |
F. His finger-prints can prove who he is even if his appearance has been changed by age or accident.
G. Every human being has a unique arrangement of the skin on his fingers and this arrangement is unchangeable.