I/ Give the correct form of the words in the brackets:

1. In Britain, women couldn’t study_____at universities until the 19th century. ( medical )

2. My mother said that I was born on a very____day. ( wind )

3. Jane doesn’t look as beautiful in the picture as she is because she is not___ ( photograph )

4. Light___are available during the interval. ( refresh )

Giải các bất phương trình sau:

a) x + 2 6 + x + 5 3 > x + 3 5 + x + 6 2

b)  x − 2 1007 + x − 1 1008 < 2 x − 1 2017 + 2 x − 3 2015