If you find an extremely large refrigerant leak while using a halide torch, your flame will()
In a diesel engine, an extremely leaking exhaust valve can cause ().
Accidents are of frequent()on this motorway because the traffic is extremely heavy here.
If you find an extremely large refrigerant leak while using a halide torch, your flame will()
“In times of heavy weather, it is extremely dangerous if manning is very short” This sentence means ().
Though its wings look extremely ______, the butterfly is ______ enough to fly as high as 7000 feet.
The use of pulse groups and extremely precise timing at each Loran-C station makes possible the use of().
If you find an extremely large refrigerant leak while using a halide torch, your flame will()
Practice 1
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. (1)______ Experts say heat may be nature’s deadliest killer. Recently, extreme heat was Named 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. (2) ______ 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.
(3) ______ Stay 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 danger signs of the medical problems, such as headache and vomiting, that are linked to heat. (4) ______ The pain is a warning that the body is becoming too hot. Doctors say those suffering headache or muscle pain should stop all activity and rest in a cool place and drink cool liquids. Do not return to physical activity for a few hours because more serious conditions could develop.
Doctors say some people face an increased danger from heat stress. (5) ______
Hot weather also increases dangers for people who must take medicine for high blood pressure, poor blood flow, nervousness or depression.
[A] Such persons have a weak or damaged heart, high blood pressure, or other problems of the blood system.
[B] Several of these conditions are present at the same time.
[C] Most people suffer only muscle pain as a result of heat stress.
[D] Several hot days are considered a heat wave.
[E] So does extreme heat.
[F] Doctors say people can do many things to protect themselves from the dangers of extreme heat.
[G] Heat can be both beneficial and dangerous.
During extremely cold weather, while starting an engine, it turns too slowly and fails to startThis problem is most likely the result of ()