朗文英语听说程1-答案.docVIP

朗文英语听说教程（一）Quiz?Unit?1??Happiness?? What?did?psychologists?want?to?find?out??? 1.?a.?Which?people?are?happy???b.?What?makes?people?happy???c.?How?people?define?happiness?? How?do?happy?people?feel?about?their?lives??? 2.?a.?They?like?everything.???b.?They?want?to?change.???c.?They?are?satisfied.?? Why?are?happy?people?optimistic??? 3.a.They have?few?problems. b.They don’t?worry?much.???c.?They?have?negative?attitudes.?? What?factor?is?most?important?for?happiness?? ?4.?a.?Good?relationships???b.?A?successful?career???c.?A?lot?of?money?? 5.?Describe?how?psychologists?learned?what?makes?people?happy.? Psychologists?asked?hundreds?of?people?how?happy?they?are.?Then?they?asked?questions?to?find?out?about?their?personalities.?They?looked?at?the?differences?between?happy?people?and?unhappy?people.?? 6.?What?three?personality?factors?do?happy?people?have?? Happy?people?are?satisfied?with?themselves.?They?are?also?optimistic?about?their?problems.?In?addition,?they?have?good?relationships?with?their?friends?and?family. Unit?2??New?Kinds?of?Food?(1’:50”)?? What?is?genetically?modified?food?? ?1.?a.?Fresh?food???b.?Dangerous?food???c.?Altered?food?? What?genetically?modified?fruit?did?the?speaker?mention??? 2.?a.?Strawberries???b.?Apples???c.?Bananas?? What?is?a?benefit?of?genetically?modified?food??? 3.?a.?It?needs?fewer?pesticides.???b.?It?grows?in?less?space.???c.?It?dominates?the?environment.?? What?is?a?risk?of?genetically?modified?food??? 4.?a.?It?may?stay?fresh?longer.???b.?It?may?be?more?expensive.???c.?It?may?be?harmful?to?people.?? 5.?What?are?three?benefits?of?genetically?modified?food?? Genetically?modified?food?needs?fewer?pesticides.?Genetically?modified?food/plants?grow?better?than?normal.?In?addition,?they?stay?fresh?longer?after?they?are?harvested.?? 6.?What?are?three?risks?of?genetically?modified?food?? Genetically?modified?food/plants?may?dominate?other?plants?in?the?environment.?Also,?they?might?hurt?wild?animals?and?insects.?They?might?ev