21世纪大学英语（视听说）网络课程答案 英语
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【答案】 Unit 1
Part 1
Task 2
Ⅰ
1.grow to their fullest potential
2.improve nutrition and encourage smart eating habits
3.take part in regular family meals
4.drink alcohol
5.they’re trying to establish independence
6.to participate in the selection and preparation
7.food preferences
8.having acplished something
9.control the supply lines
10.a bowl of fresh fruit on the kitchen counter
11.such as chips and candy
12.our children don’t feel deprived
13.adopt our behavior
Ⅱ
1.a fork or a spoon
2.chew with your mouth closed
3.make any rude ments
4.appreciation
5.consideration
6.gobble up
7.item
8.bothers
9.napkin … wipe your face or blow your nose
10.how much you enjoyed the meal
Part 3
Task 1
1.breeze
2.gale
3.tornado
4.foggy
5.overcast
6.drizzle
7.precipitation
8.Hail
9.Hurricanes
10.freezing
11.Meteorology
12.frost
13.Sleet
14.blizzard
15.global warming
16.sandstorm
Task 2
1.bring a mainly dry week … having a chilly weekend
2.heavy downpours across many parts of the UK
3.Thunderstorms are always acpanied by lightning … tornadoes,hail,high winds
4.receive their first frost … bringing light winds
5.allow temperature to drop near the freezing mark … Mist is also expected
6.unusually active hurricane season … deadly storms
7.Tropical Storm … causing floods … deadly landslides
8.relatively wet summer … precipitation this year and last year has been above average
Task 3
a-3 b-5 c-8 d-7 e-1 f-4 g-6 h-2 i-10 j-9