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【判断题】
局部自由度是与机构运动无关的自由度
A.
正确
B.
错误
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举一反三
【单选题】The tern 'Father of Waters' is used to refer to
A.
the Amazon River.
B.
the Mississippi River.
C.
the Nile River.
D.
the Hudson River.
【单选题】The explorers ______ into the unknown regions of the Amazon River.
A.
penetrated
B.
injected
C.
reached
D.
stretched
【单选题】设某顺序表中第一个元素的起始存储地址为a,每个元素的长度为b,则第c个元素的起始地址是?(a,b,c均为非负整数)
A.
a+b*c
B.
a+b+c
C.
a+b*c-b
D.
a+b*c-c
【单选题】We could do nothing but _____ the order.
A.
obey
B.
obeying
C.
to obey
D.
obeyed
【简答题】act 遵照 ... 行动 , 奉行 , 作用于 2. act 出毛病 , 运转不正常 3. adapt 适应 4. add 加起来 , 说得通 5. add 合计达 , 总括起来 6. allow 考虑到 , 为 ... 留出余地 7. allow 容许 , 容许有 ... 的可能 8. back 退出 , 撒手 , 食言 9. back 支持 , 倒退 10. bear 竭尽全力
【单选题】We could do nothing ______ to come.
A.
beside wait for the doctor
B.
but wait for the doctor
C.
only to wait for the doctor
D.
but to wait for the doctor
【单选题】______ is recognized as the longest river in Great Britain.
A.
The Thames River
B.
The Amazon River
C.
The Severn River
D.
The Rhine River
【单选题】______ is recognized as the longest river in Britain.
A.
The Thames River
B.
The Amazon River
C.
The Severn River
D.
The Rhine River
【判断题】PAM是脉冲载波的幅度随基带信号变化的一种数字调制形式。
A.
正确
B.
错误
【单选题】下列哪个不是物联网的四层?
A.
感知识别层
B.
网络构建层
C.
管理服务层
D.
数据链路层
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