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【单选题】
斜齿轮传动中,可选用的轴承是 。
A.
调心球轴承
B.
深沟球轴承
C.
推力球轴承
D.
角接触球轴承
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【简答题】Before you can make it anywhere,you have to make it there.
【单选题】If you want to ________ in the world , you must learn to work hard while you are still young. A . make much of yourself B . make the way out C . make you out D . make your way
A.
make much of yourself
B.
make the way out
C.
make you out
D.
make your way
【多选题】675 S7-200系列PLC支持的通信协议有()。
A.
PPI
B.
MPI
C.
PR0FIBUJS—DP
D.
IEEE802.1
E.
CAN
【简答题】关于定时器,若振荡频率为 12MHz ,在方式 2 下最大定时时间为
【单选题】关于定时器,若振荡频率为12MHz ,在方式1 下最大定时时间为
A.
8.192ms
B.
65.536ms
C.
0.256ms
D.
16.384ms
【单选题】Who do you think you’d like ____?
A.
to make friends
B.
make friends
C.
to make friends with
D.
make friends with
【简答题】A.make you possible B.be made for you C.make it possible for you D.make you
【简答题】请为改善重庆市城区空气质量改善的支付意愿进行调查问卷设计
【多选题】675s7-200系列PLC支持的通信协议有()。
A.
PPI
B.
MPI
C.
PR0FBIUJS—DP
D.
IEEE8021
E.
CAN
【单选题】You have to speak slowly in order to ____.
A.
make you understood
B.
make youself understood
C.
make them understand
D.
make themselves understand
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