更多"Liquid water changes to vapor, __ i"的相关试题:
[单项选择]What does "it" of "since water-vapor becomes water when it cools" in Para. 3. refer to
A. Water-vapor.
B. Water.
C. Cloud.
D. Air.
[单项选择]When solid changes to liquid, it ______ heat from all substances near it and this ______ reduces the temperature surrounding it.
A. absorbs, takes in
B. transits, takes on
C. consumes, takes off
D. interacts, takes down
[单项选择]The point （） water boils is called boiling point.
A. when
B. that
C. at which
D. for
[单项选择]Once there is a threat to our water supply water can quickly become the only that matters．
A. 只要水源受到威胁，水很快就会变成惟一重要的物质。
B. 供水一度出现危机，所以水很快就成了惟一紧缺的物质。
C. 供水一旦受到威胁，水很快就会成为惟一至关重要的问题。
D. 有一次水源曾遭受污染，水成了人们惟一不能很快解决的问题。
[单项选择]Dirty water must not be ______ with drinking water.
A. joined
B. linked
C. mixed
D. combined
[单项选择]DEHYDRATE: WATER ::
A. (A) infiltrate: insecurity
B. (B) wither: vitality
C. (C) ossify: strength
D. (D) desecrate: piety
E. (E) contaminate: viability
[单项选择]（）that called this morning？
A. Who was
B. Who it was
C. Who was him
D. Who was it
[单项选择]The book called How to Stop Smoking
A. cost the writer a lot of time to read.
B. was not taken seriously by the writer.
C. warned the reader of the risk of lung cancer.
D. left the writer in confusion,
