Every night, I dream to have a lovely house. The house has a small garden.In the garden, there are many old cherry blossom trees and many flower beds. Enter the house, my living room has some things also the new sofa , a warm cup on the table, a TV and a vase of flower. The kitchen has somethings like cupboard, dish rack, stove, gas stove, rice cooker, refrigherator and a sink. My bathroom has a sink, a shower and a washing machine.And now, my bedroms. There are 4 bedroms in my house. 2 bedrooms on the first and 2 bedrooms on the second floor. In my bedroom, there are toys, computer and a desk. My house is coloured by pink. It is the house I drem every night. Do you like this?

In The Sociology of Science, _____ a classic, Robert Merton discusses cultural, economic and social forces that contributed to the development of modern science.

A. now considering

B. now considered 

C. which considers 

D. which considered

Công thức bazơ tương ứng:

NaOH,LiOH,Fe(OH)₂,Ba(OH)₂,Cu(OH)₂,Al(OH)₃