chúng ta vừa phải trải qua cơn đại dịch covid- 19 bằng lỗ lực và sự đoàn kết. thảm họa đi qua đã để lại nhiều điều phải suy ngẫm về cuộc sống. em hãy nói ra những suy nghĩ , cảm xúc của bản thân mình

có nên sử dụng phân bón hóa học thường xuyên không? vì sao?

cho 0,34g H2S tác dụng với 100ml dung dịch NaOH 1.5M

a) viết PTHH

b) ntinhs khối lượng sản phẩm

công thức cấu tạo của Cl2O3

Read the following passage and choose the best answer for each blank.

      Young children are increasingly using tablets as well as smartphones and other devices with touch screens in early education (1) ______ and with family members.

       Tammy and Rose, age 4 have been studying sunflowers with their classmates. They want to sing and record a song about sunflowers while creating a drawing, using a(n) (2) _______ on the tablet. The girls have coordinated their efforts and are happy with the result.

      To help the class learn more about sunflowers, Kathryn. Tammy and Rose’s teacher, used the tablet to find online (3)_______ with photos and facts. She then took the children on (4) _______ a tour of Van Gogh’s sunflower paintings. They read and discussed an electronic picture book about Van Gogh’s life. The children had already examined real sunflowers and their parts, made sketches, read informational texts and stories, counted seeds, and (5) _______ part in a variety of investigations, touching on every learning domain. The teacher’s use of the tablet together with early practical learning activities expanded the children's (6) _______. Activities offered on the tablet provided new (7) _______for the children to represent and share what they learned.

     Tablets have the (8) _______to be powerful tools for early learning. The choices we make about how they are used determine (9) _______ the technology is helpful or not. We need to develop “digital literacy” skills and decide how to use these new tools in ways (10) _______ can support every child’s healthy development and learning.

Young children are increasingly using tablets as well as smartphones and other devices with touch screens in early education (1) ______ and with family members.

A. places

B. settings

C. positions

D. times

Read the following passage and choose the best answer for each blank.

         Cultural diversity means a (26) ______ of different societies or people of different origins, religions and traditions all living and interacting together. Britain has (27) ______  from diversity throughout its long history and is currently one of the most culturally diverse countries in the world.      

        The food they eat, the music they listen to, and the clothes they wear have all been influenced by different (28) ______ coming into Britain. Ethnic food, for example, is part of an average British diet. One of Britain’s favourite (29) ______ is Indian curry. Britons have enjoyed curry for a surprisingly long time - the (30) ______ curry went on an English menu in 1773.

        Even the English language (31) ______ from the languages spoken by Anglo-Saxons, Scandinavian Vikings and Norman French invaders. New words were (32) ______ from the languages of other immigrants over the years.

       Valuing the diverse culture is all about understanding and respecting the beliefs of others and their (33) ______  of  life, as we would expect someone to respect ours. It is about supporting individuals in keeping their cultural traditions (34) ______ and appreciating the fact that all these different traditions will enrich British life both today and in the future.

      People from all over the world have (35) ______ to the Britain and they continue to do so.

Điền vào ô 32

A. increased

B. put

C. added

D. caught

giúp mk với

do sự rối loạn trong giảm phân làm phát sinh giao tử bất thường. giao tử bố là giao tử bình thường(n=23) kết hợp với gao tử mẹ là giao tử bất thường(n+1=4)thì tạo ra thể tam nhiễm (2n+1)