It may be inferred from the passage that ______.
A: bacteria can be most easily killed by removal of moisture
B: drying out a house will eliminate the risk of airborne infection
C: hot-air heating is better than steam heating because steam heating uses water
D: none of the above
A: bacteria can be most easily killed by removal of moisture
B: drying out a house will eliminate the risk of airborne infection
C: hot-air heating is better than steam heating because steam heating uses water
D: none of the above
C
举一反三
- According to the passage, sea-water can be turned into fresh water by A: heating it up. B: treating it with chemicals. C: taking salt out of it. D: drying it up.
- Breathing in steam from hot water will help a blocked nose.
- I am looking forward to ______ from you as soon as possible. A: hear B: be heating C: heating D: have heard
- _____, the ice will change into water. A: Heat B: Heated C: Hot D: Heating
- ________ , ice will be changed into water. A: Heating B: Heated C: If heating D: To be heated
内容
- 0
Water, （） enough, can change into vapour quickly. A: when heated B: heating C: though to be heated D: when is heated
- 1
Gas central heating provides instant warmth and a ____ supply of hot water.
- 2
The most important environmental risk factor in low- and middle-income countries is?() A: None of the above B: Unsafe water C: Outdoor air pollution D: Indoor air pollution
- 3
It can be inferred from the passage that most people in the United States in 1955 viewed the national economy with an air of _________.
- 4
Natural gas has a higher heating value than coal.