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【单选题】
在编程时,也可把所需要并联的回路连贯地写出,而在这些回路的末尾连续使用与支路个数相同的ORB指令,这时指令最多使用( )。A.
AND
B.
ANI
C.
ORB
D.
ANB
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举一反三
【简答题】A．The Moon has no water B．The Moon's materials came from Earth's core C．The Moon's core differs from its suce D．The Moon contains little iron
【单选题】It wasn’t long ___ the rain stopped and the moon came out again.
A.
when
B.
until
C.
before
D.
since
【单选题】The moon , we came to the foot of the mountain.
A.
appeared
B.
appears
C.
appearing
D.
have appeared
【简答题】什么是产品标识？产品标识的目的是什么？
【简答题】铸工造型时严格禁止 型砂,以免迷住眼睛。
【单选题】In the first 24 hours after abandoning a vessel, water should be given only to personnel who are ______.
A.
sick or injured
B.
wet
C.
Awake
D.
thirsty
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