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【简答题】
根据以下商品条码字符集的二进制表示，确定 13 位数字代码 691254356789X 的左侧数据符的二进制表示，并试按一定模块比例画出此左侧数据符的符号表示。 商品条码字符集的二进制表示 数字字符 A 子集 B 子集 C 子集 0 0001101 0100111 11100101 0011001 0110011 1100110 2 0010011 0011011 11011003 0111101 0100001 10000104 0100011 0011101 10111005 0110001 0111001 10011106 0101111 0000101 10100007 0111011 0010001 10001008 0110111 0001001 10010009 0001011 0010111 1110100
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【单选题】Which of the below is not among the key tasks of the European central bank (ECB)?
A.
Implement monetary policy for the Euro area
B.
Conduct foreign exchange operations
C.
Promote the smooth operation of payment systems
D.
Regulate the European financial system
【单选题】disposable blade razor
A.
A blade razor that can be used many times
B.
a blade razor that is used once and then thrown away
C.
a blade razor that can be adjusted freely
D.
a razor whose blade can be replaced
【简答题】简述有源滤波电路的定义。
【简答题】Fan blade
【简答题】课外拓展:根据要求填写相应的诗句。 (1)陶渊明《饮酒》中用问答形式表明内心清静就能远离喧嚣之意的句子是__________________,___________________。 (2)《春望》中把个人遭遇与国家命运紧密结合在一起的诗句是___________________,__________。 (3)在《雁门太守行》中暗示将士们具有“风萧萧兮易水寒,壮士一去兮不复还”那种壮怀激烈的豪情的...
【单选题】Forced air circulation is provided by a fan of generous capacity which is driven from the engine _____ by a belt or by fan blade formed in the flywheel.
A.
camshaft
B.
rocker arm
C.
crankshaft
D.
connecting rod
【单选题】Forced air circulation is provided by a _____ of generous capacity which is driven from the engine crankshaft by a belt or by fan blade formed in the flywheel.
A.
fan
B.
radiator
C.
water pump
D.
thermostat
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