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【单选题】
从化学热力学的角度看,高聚物的分子链更趋向形成什么状态?( )A.
伸直链
B.
无规线团
C.
球晶
D.
双螺旋结构
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皮皮学刷刷变学霸
举一反三
【单选题】The website allows you to take a ____________ tour of the museum.
A.
visual
B.
virtual
C.
exclusive
D.
overall
【单选题】Be on your ______ against thieves while you are in the crowd.
A.
watch
B.
move
C.
point
D.
guard
【单选题】The hotel website allows the guests to check various hotel _____ online.
A.
details
B.
prices
C.
transportation
D.
staff
【简答题】The website allows you to take a __________ tour of the art gallery.
【单选题】Facebook allows advertisers to
A.
trade information about people using the website.
B.
sell their products and services for free.
C.
keep the money they make from the website.
【判断题】The police warned people to be on guard against burglary during the festival()
A.
正确
B.
错误
【简答题】Tykoon is an online website that allows you to teach your child financial principles through allowances，assignment of tasks and daily chores.As the parent，you can assign a cash value to the things you...
【单选题】A country must always be ______ guard against spies and invaders.
A.
in
B.
to
C.
with
D.
on
【简答题】The website allows us to ________ songs and movies for Free.
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