A.Desert and Ice—a Hot Topic.B.Rivers and Oceans—a Hot Topic.C.Melting Ice—a Hot Topic
A.Desert and Ice—a Hot Topic.
B.Rivers and Oceans—a Hot Topic.
C.Melting Ice—a Hot Topic.
D.Trees and Forest—a Hot Topic.
A.Desert and Ice—a Hot Topic.
B.Rivers and Oceans—a Hot Topic.
C.Melting Ice—a Hot Topic.
D.Trees and Forest—a Hot Topic.
The best title for the text would be ______.
A.Desert Animals and Insects
B.Kangaroo Rat and Camel
C.The Climate in Desert
D.Desert Plants
"Snowball Earth" might have occurred as a result of ______.
A.ice reflecting sunlight and heat
B.the growth of polar ice sheets
C.the increase of rainfall
D.the huge loss of carbon dioxide
The scientists are not sure______.
A.how long the ice age lasted
B.where ice sheets (冰川) melted during the ice age
C.what caused the temperature changes
D.what the earth is made up of
Any frozen treat can be called ice cream.
A.Y
B.N
C.NG
The process of making ice cream at home is different from that in a factory.
A.Y
B.N
C.NG
What may be some of the reasons for the ice melt in the Arctic?
A.Unusually strong winds and clearer skies.
B.Heavy clouds and light winds.
C.Longer summers and shorter winters.
D.Thin ice and open water.
The usual ingredients of "cocktail" include ______.
A.alcohol, juice and ice
B.alcohol, lemonade and cherry
C.wine, cheese and fruit
D.water, fruit and ice