皮皮学，免费搜题
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【多选题】
以下________可以用作变量名。A.
PI
B.
3PI
C.
3e3
D.
e3
E.
long
F.
var_x
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举一反三
【简答题】It is important for students to use time ( ).
【单选题】Students use the Internet it for finding information ________ to school and college work.
A.
relating
B.
related
C.
to relate
D.
relate
【简答题】液体沸腾时,它的__________等于外部压强,所以沸点和液面上气体的压强有关,压强________,沸点________。
【判断题】For school students, it is right to use the school loans to pay off their credit balance.
A.
正确
B.
错误
【判断题】it is not recommended for students to use dictionary to review vocabulary.
A.
正确
B.
错误
【单选题】People use the Internet for their work and students it for finding information related to school and college work. It can also be ______ for leisure.
A.
use; used
B.
using; using
C.
use; use
D.
used; used
【简答题】The Internet is an amazing information resource. Students, teachers, and researchers use it as an investigative tool. Journalists use it to find information for stories. Doctors use it to learn more a...
【多选题】关于汽化热的说法，正确的是 ( )
A.
同一种液体的汽化热随温度的升高而升高
B.
液体只有在沸腾时，才能引入汽化热的概念
C.
在一定温度时，液体的汽化热与外界压强有关
D.
在相同条件下，单位质量的气体凝结成液体时放出的热量等于它的汽化热
【单选题】Students use the Internet it for finding information ________ to school and college work.
A.
relating
B.
related
C.
relate
D.
to relate
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