Tính diện tích của khu đất hình vuông có cạnh dài 105m.

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 28

A. nations

B. cultures

C. countries

D. population

A. heaven

B. heavenly

C. sky

D. space

Tính bán kính mặt cầu ngoại tiếp khối chóp tứ giác đều có cạnh đáy bằng 1 và góc giữa cạnh bên và mặt đáy bằng  60 ° .

A.  6 4

B.  6 2

C.  6 3

D.  6 6