Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Nobody took any ________of the warning and they went swimming in the contaminated water.

A. sight

B. attention

C. information 

D. notice

how does your child feel?

what would you like?

what does your mother want?

are you hungry ?

is the any milk in the fridge?

what does she like?

are you thirsty?

how do your children feel after the trip?

what is there for breakfast?

what is your father favorite drink?

Mức xoắn 3 của nhiễm sắc thể là

A. Sợi cơ bản, đường kính 10 nm

B. Sợi chất nhiễm sắc, đường kính 30 nm

C. Siêu xoắn, đường kính 300 nm

D. Crômatít, đường kính 700 nm