BBelow is a table which shows the melting(液化)and boiling points of common substances.Study the table

题目简介

BBelow is a table which shows the melting(液化)and boiling points of common substances.Study the table

题目详情


B
Below is a table which shows the melting(液化)and boiling points of common substances.Study the table.Then do Numbers 4—7.
Substance
Melting point(C)
Boiling Point(C)
Water
Alcohol
Nitrogen
Oxygen
0
–117
–210
-218
100
78
–196
–183
4.The underlined word‘substances'means‘a type of'_________.
A.matter        B.liquid            C.solid         D.gas
5.Which of the four should be a liquid at-90 degrees?
A.water         B.alcohol           C.nitrogen      D.oxygen
6.Mixing alcohol and water is often used to wash windscreens of cars during the wintertime because _________.
A.it is easier for alcohol to change into gas
B.alcohol is not easily separated from water
C.alcohol freezes at lower temperature than water
D.the mixture is not expensive
7.In order to change water from a solid to a liquid energy must be _________.
A.removed       B.added             C.created       D.destroyed
题型:阅读理解难度:偏易来源:不详

答案


小题1:A
小题2:B
小题3:C
小题4:B

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