第1题:
The most important skills for new employees are first aid and food preparation.()
第2题:
According to the passage, one important change in United States education by the 1920's was that ______.
A) most places required children to attend
B) the amount of time spent on formal education was limited
C) new regulations were imposed on nontraditional education
D) adults and children studied in the same classes
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第8题:
general radio communication
MSI
improved distress and safety communication
bridge-to-bridge communication
第9题:
business opportunity
good-quality radio telephone conversations
telex service
both B and C
第10题:
maintain the quality of customer service.
expand the customer network worldwide.
inform patients about better quality medicines.
第11题:
Devotion
Team spirit
Communication
Perseverance
第12题:
Temperature
Intensity of lighting
Barometric pressure
Humidity level
Elevation
第13题:
A.convenience goods
B.shopping goods
C.specialty goods
D.industrial goods
第14题:
______is not one of the most important environmental factors that influence hydrocarbon biodegradation.
A.temperature
B.concentration of nutrients
C.nitrogen
D.oxygen
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第21题:
lighting had no consistent effect on production
production sometimes increased when lighting was reduced to the level of ordinary moonlight
that lighting was no more important than the other factors of temperature and humidity
the results were unexpected and confusing
第22题:
第23题:
is basing
has based
is based
第24题: