The most impactful choice would not be something flashy like computers, but simple, scalable technologies that match the resources and knowledge of that time.

First, basic sanitation systems, clean water filtration, boiling water, simple sewage management, these alone would drastically reduce disease and increase life expectancy, because most deaths 1000 years ago came from infections and poor hygiene.

Second, agricultural improvements, crop rotation, irrigation methods, and better plows, these would increase food production and reduce famine, making societies more stable and less dependent on unpredictable harvests.

Third, simple medical knowledge, germ theory basics, sterilizing tools, hand washing, and herbal treatments used more systematically, this would save countless lives even without modern medicine.

Fourth, printing or knowledge copying techniques, even a primitive printing press, this would spread knowledge faster, helping education, science, and administration develop much earlier.

Finally, basic mechanical tools like windmills and watermills, these reduce human labor and increase productivity in grinding grain, pumping water, and small-scale industry.

Explanation, introducing highly advanced technology like electricity or computers would fail because infrastructure and knowledge are missing, but these simple, foundational improvements fit the era and create long-term transformation in health, food, and knowledge.

Chắc có từ saury(cá thu đao), với từ stalk(rình rập)

người chiến thắng

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1 You shouldn’t swim immediately after a meal
2 Parents should give lucky money to children at Tet
3 No one should break things on the first day of New Year
4 People should not drink a lot of wine and beer during Tet
5 You should not go out alone at night
6 There isn’t any homework during Tet
7 We have no balloons to decorate our rooms

1. It’s not a good idea to swim immediately after a meal.

→ You shouldn’t ......swim immediately after a meal.....................................................................................

2. It is good for parents to give lucky money to children at Tet.

→ Parents should ........give lucky money to children at Tet.................................................................................

3. It is not good for anyone to break things on the first day of New Year.

→No one should ............break things on the first day of New Year...........................................................................

4. It is not good to drink a lot of wine and beer during Tet.

→ People should ............not drink a lot of wine and beer during Tet............................................................................................

took part in

Last week, he ____took part in___( take part in ) a basketball competition.

This weekend, I am spending time with my friends. On Saturday, we are going to the beach. We are meeting at 10 a.m. and staying there until the afternoon. We are swimming, playing volleyball, and relaxing in the sun. In the evening, we are going to a restaurant for dinner. On Sunday, I am visiting my grandparents. I am helping them with some gardening, and we are having a family lunch. I am really looking forward to it.

1 Sallya went to Bina's birthday party this weekend

2 Andy did her homework last night

1, Sallya went to the Bina's birthday party this weekend.

2, Andy did her homework tonight.

I love my mother the most in my family. She is a kind and hardworking person who always takes care of everyone. Every day, she wakes up early to prepare meals and makes sure that I have everything I need for school. Even when she is tired, she still smiles and encourages me to study well. What I admire most about her is her patience and love, because she always listens to me and gives me good advice. I feel very lucky to have such a wonderful mother, and I will try my best to make her proud.

jjj

A

She said she had met him in 2011