— used to
1. I used to play in the forest with my friends.
2. My mum used to be an opera singer, but now she's a doctor.
3. The bench used to be some meters longer than it's now.
— not used to
1. The cat didn't used to be white, it was always pale grey.
2. My bike didn't used to be broken I was carefull enough with it.
3. My dad didn't used to live a usual life because he often found problems for his life.
— both ... and ...
1. Both mum and dad fell inlove with eath other.
2. Paul can be both a lovely husband for his wife and a great boss for his team.
— neither ... nor ...
1. Neither my friend nor me understands math and science.
2. The cat neither eats nor drinks because it's a toy cat.
Объяснение:
Надеюсь
:)
Pros
Solving the food problem
Economical use of agricultural land
Obtaining plant medicines, plant vaccines
Plant resistance to viruses, diseases, pests, pollution
High yield of transgenic plants
Improving the quality of plant varieties
Minuses
The tests carried out are short-term, the effect may affect the offspring
Spontaneous transfer of foreign genes from transgenic to non-transgenic organisms
The emergence of resistance to insecticidal toxin
Damage to harmless insects
The development of allergic reactions
The possibility of mutations
Поделитесь своими знаниями, ответьте на вопрос:
Whose idea was it to celebrate mother"s day? how many people were there in the family? what did the cildren do to make mother happy? what did father do on that occasion? why didn"t mother go fisshing? why didn"t the girls stay home? это всё вопросы по тексту"how we kept mother"s day"