[简答题]heat indicator

[单项选择](A) heat exchanger is a device (in) which (heat taken) from a hot liquid or gas in order to warm a (cold place).（）
A. A
B. in
C. heat taken
D. cold place

[填空题]When the indicator light is flashing, it is needless to use the key to open any of the doors and hood.

[单项选择]Don’t you think that’s an indicator of fine weather
A. sign
B. signal
C. symbol
D. predicament

[判断题]Water has a high specific heat.

[单项选择]Heat Wave on the Way
Forecasters are predicting that there will be extremely hot weather for the next week. A massive high pressure system is expected to settle over the country, (28) fine weather and soaring temperatures with it. Experts believe it could even reach over 37 degrees Celsius during the daytime, which would be a record for the region.
The authorities are expressing concern about the possible dangers this heat wave presents. In particular, the elderly are at risk from heatstroke and other potentially (29) medical complications. In the past, similar heat waves recorded in big cities like Paris and Chicago have resulted in hundreds of deaths. Accordingly, residents are urged to keep cool, and to drink as much water as possible over the next few days. People should also take care to (30) the condition of any elderly friends, relatives and neighbors that they have.


A. bring
B. brought
C. bringing
D. to bring

[填空题]

Heat Is Killer

Extremely hot weather is common in many parts of the world. Although hot weather just makes most people feel hot, it can cause serious medical problems-even death. Floods, storms, volcano eruptions and other natural disasters kill thousands of people every year.
(46) Experts say heat may be nature’s deadliest killer. Recently, extreme heat was blamed for killing more than one hundred people in India. It is reported that the total heat of a hot day or several days can affect health. (47) Expels say heat waves often become dangerous when the nighttime temperature does not drop much from the highest daytime temperature. This causes great stress on the human body.
(48) Stay out of the sun,if possible. Drink lots of cool water. Wear light colored cloth- ing made of natural materials； avoid wearing synthetic clothing. Make sure the clothing is loose, permitting freedom of movemen

[简答题]Male students emit more heat than female students do, and the larger a student is, the more heat he produces.

[单项选择]

Many people use wood stoves and fireplaces to heat their homes. Scientists have become worried about the smoke that they give off. Harmful chemicals are in the smoke. The smoke is causing air pollution. The pieces of pollution, called soot, are floating in the air. They are too tiny to see. Scientists must use a microscope to see them.
Small amounts of soot are safe, but large amounts can be dangerous. The government wants to limit this kind of pollution. It may stop people from using their fireplaces.
The air is tested every day. When soot levels are high, more than 65 micrograms of soot per cubic meter, factories must stop making smoke. The government thinks that limit should be much lower.
Factories produce the most smoke and soot. But the government thinks that all types of burning should be limited. The soot levels from factories and homes could be limited. Home owners may have to install new wood stoves that they comply with the new law. Or, they may
A. The fire could burn you.
B. It’s not healthy to be too warm.
C. Harmful chemicals are released in the soot.
D. The smoke is filled with unseeable tiny pieces.

[填空题]
Extremely hot weather is common in many parts of the world. Although hot weather just makes most people feel hot, it can cause serious medical problems--even death. Floods, storms, volcano eruptions and other natural disasters kill thousands of people every year: (46) Experts say heat may be nature’s deadliest killer. Recently, extreme heat was blamed for killing more than one hundred people in Indi

• a. It is reported that the total heat of a hot day or several days can affect health. (47) . Experts say heat waves often become dangerous when the nighttime temperature does not drop much from the highest daytime temperature. This causes great stress on the human body.
  (48) out of the sun, if possible. Drink lots of cool water. Wear light colored clothing made of natural materials; avoid wearing synthetic clothing. Make sure the clothing is loose, permitting freedom of movement. And learn the d