2. In each of the following groups of words, there are four underlined letters or letter combinations marked A, B, C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation.
A、there
B、thick
C、thank
D、thirty
What can be learned from the study?
A、Cats take food no matter who feeds them.
B、Cats refuse food from unhelpful strangers.
C、Dogs refuse food from those who anger them.
D、Dogs take food no matter how they are treate
Newspapers, magazines, televisions and computers all fight to____our attention.