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> Below is a table which shows the melting(液化)and boiling points of common substances.Study the table.
Below is a table which shows the melting(液化)and boiling points of common substances.Study the table.
题目简介
Below is a table which shows the melting(液化)and boiling points of common substances.Study the table.
题目详情
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
小题1:The underlined word‘substances'means‘a type of'_________.
A.matter
B.liquid
C.solid
D.gas
小题2:Which of the four should be a liquid at-90 degrees?
A.water
B.alcohol
C.nitrogen
D.oxygen
小题3: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
小题4: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
小题1:substance 表示“物质”的意思。
小题2:因为根据表格所示酒精在-117度开始溶化,那么在-90度时肯定是液体。
小题3:冬天天气寒冷,酒精比水不容易结冰。
小题4:水从固体变成液体,必需加温。
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题目简介
Below is a table which shows the melting(液化)and boiling points of common substances.Study the table.
题目详情
Alcohol
Nitrogen
Oxygen
–117
–210
-218
78
–196
–183
答案
小题1:A
小题2:B
小题3:C
小题4:B
小题1:substance 表示“物质”的意思。
小题2:因为根据表格所示酒精在-117度开始溶化,那么在-90度时肯定是液体。
小题3:冬天天气寒冷,酒精比水不容易结冰。
小题4:水从固体变成液体,必需加温。