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【判断题】
STM32 微控制器 CAN 总线专用端口不可以作为普通 IO
A.
正确
B.
错误
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参考答案:
参考解析:
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举一反三
【判断题】柴油机中间冷却器的作用是将压缩空气冷却,使其密度进一步降低,以增加发动机的进气量,有利于提高柴油机性能。( )
A.
正确
B.
错误
【判断题】甲午战争以后,或官办或官督合办的新式企业多为清政府一手操办。()
A.
正确
B.
错误
【单选题】在三视图中,主、左视图的度量及投影关系为( )。
A.
长对正
B.
宽相等
C.
高平齐
D.
以上答案均正确
【单选题】空压机中间冷却器的作用是()。
A.
降低下一级吸气温度
B.
提高输气系数
C.
都不是
【判断题】井底车场存车线是容纳空、重车辆的专用线路( )。
A.
正确
B.
错误
【单选题】Parents are advised to put books __________ they are easily accessible to children .
A.
which
B.
where
C.
in which
D.
who
【简答题】What does “Pacific Century” refer to?
【简答题】In America, most people don’t get enough sleep. Children aged 5 to 12 are advised to sleep 10 to 11 hours every night, but most of them can’t sleep that long. A study found that about 41 million Ameri...
【判断题】井底车场存车线是容纳空、重车辆的专用线路。
A.
正确
B.
错误
【单选题】If children have flulike symptoms, their parents ______.
A.
are advised not to give them aspirin
B.
should watch out for signs of Reye syndrome
C.
are encouraged to take them to hospital for vaccination
D.
should prevent them from mixing with people running a fever
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