Active listeners can improve their responding by Question 46 options: keeping silent. keeping their feedback to themselves. rephrasing the speaker's ideas at appropriate breaks. not making eye contact.

rephrasing the speaker's ideas at appropriate breaks.              

Explanation:

By rephrasing the speaker's idea at appropriate breaks, the listener gets a better understanding of the message the speaker is trying to pass across and is hence able to improve his/her responses to the speakers teaching or questions.

the two sets of lines are :

two jet streams that directly affect the formation of weather in the continental part are a polar jet and a subtropical jet. they are responsible for the transportation of weather systems, which directly affect people. the polar front is the boundary between cold air from the north pole and warmer equatorial air. both the polar jet and the subtropical jet blow from the west to the east, and follow the boundary between cold and warm air.

the strongest jet streams are polar jets, while subtropical jets are somewhat weaker.

the right answer is c. the polar jet stream is generaly stronger than the subtropical jet stream.