They work in ________ (freeze) conditions at sub-zero temperatures.
举一反三
- When the temperature is below zero，water will _______. A: freeze B: virtue C: sink D: seek
- 8.Polar bears need(freeze) conditions, so they are also suffering because of global warming.
- All equipment in an aircraft must______. A: be tested to destruction B: not be too light in weight C: work especially well at high temperatures D: work perfectly within a wide range of temperatures
- What does the prefix "sub" in words like subheading, subtitles and sub-zero mean A: elow B: efore C: afte
- The working conditions were poor. _______, the work flow was irregular.