① 식 재료 및 조리식품의 Staphylococcus aureus 오염실태
식육은 S. aureus 식중독 발생의 주요한 원인식품이다. 강호조 등(1997)의 연구에 의하면, 오염된 냉동 우육을 22℃에서 12시간 해동하는 동안 2.37 logCFU/g 이상 증가하고, 25∼30℃에서 5시간이면 식중독을 일으키는데 충분한 독소를 생성하며, 생성된 enterot
① Contraction with “not”
(3) a. He shouldn’t see her.
b. *He worksn’t with her
→ Main verbs cannot contract with not.
(4) a. He may not come.
b. *He mayn’t come.
c. We shan’t be very long.
d. We won’t be very long.
→ May cannot contract with not.
Shan’t exists only in British English.
② Subject-aux inversion in yes/no questions &
tag questions
2. Important Characteristics of TiO2
(1) Photocatalystic Character
- If the light energy is irrigated at TiO2, the catalyst which absorbed the light energy will activate so it oxidize and restore aspirates.
(2) Characteristic of Ultra-hydrophile
- Ultra-hydrophile is the status that befit with the surface of the material such as glass.
For many of Materials, if we drop water, it ma
Teaching Advanced Levels
Characteristics of the advanced levels:
• Ongoing attempt to gain natural and automatic language use
• Learner-centered teaching is needed the most of all these levels.
• Attention to sociolinguistic and pragmatic perspectives
• Activities that require students’ critical thinking
Grade level: Advanced
Subject: Advantages and d