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【简答题】
机器人的三种动作模式分为: 、 再现模式 、 远程模式 。
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举一反三
【单选题】Some parents don't allow their children to go online ________they are affected by something unhealthy. [ ]
A.
for fear that
B.
unless
C.
in only
D.
in case
【单选题】In order to protect the environment, people in Japan have to for their trash. [ ]
A.
cost
B.
pay
C.
spend D; take
【单选题】__________ , some students tend to develop a range of unhealthy habits .
A.
Parents don’t watch over them
B.
Not having watched over
C.
With no parents to watch over them
D.
Parents watched over
【简答题】Welcome to the World Expo 2010 Shanghai China. In order to protect the interests and rights of visitors and ensure a safe and orderly visit, the organizer of Expo 2010 has made these Terms and Conditi...
【单选题】Some children don’t like when their parents try to join their circle of friends.
A.
that
B.
it
C.
this
D.
them
【单选题】When you are working in machinery spaces, you should wear( )in order to protect your body.
A.
a safety helmet
B.
well fitting clothes
C.
eyeglasses
【单选题】These samples have to be______in certain kind of chemical water in order to protect them.
A.
immersed
B.
crisped
C.
armored
D.
arrayed
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