【判断题】引起食品腐败变质的微生物 主要是霉菌,其次是细菌。( )
【单选题】Until Aristotle, the concept of _____ has been adressed explicitly.
【简答题】引起食品腐败变质的微生物主要是 、 、 。
【单选题】The writer wants to demonstrate that ______ .
A.
Japan has always practiced the concept of quality control
B.
The concepts underlying quality control are extremely important in management
C.
The United states has been unable to apply the concepts of quality control
D.
It is a coincidence that quality control worked in Japan
【单选题】The lesson which gradually filtered through was the simple concept ______ every place has special meanings for the people in it; every place represents the center of the world.
【单选题】The book NEW CONCEPT ENGLISH has been well received by learners of English ______it helps them to develop their basic English skill.