皮皮学，免费搜题
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搜题
【判断题】
CTCS3-300T列控车载设备在C2控车模式下，允许司机手动选择的工作模式仅包括引导和调车两种模式。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】A has beautiful feathers . And it can sing nicely.
A.
cat
B.
parrot
C.
goldfish
D.
dog
【单选题】Oliver still bought some goldfish ________he found it difficult to raise them.
A.
because
B.
since
C.
though
D.
until
【单选题】It was not until this year _____ scientists managed to make a cat and a goldfish disappear from sight using an invisibility cloak(斗篷)
A.
that
B.
when
C.
while
D.
As
【单选题】This kind of goldfish can ___ rapidly.
A.
Multiple
B.
reproduction
C.
multiplication
D.
multiply
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