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【单选题】
MCS-51单片机要用传送指令访问片外数据存储器,它的指令操作码助记符是以下哪个?
A.
MOV
B.
MOVX
C.
MOVC
D.
MUL
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B.
red
C.
white
D.
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【单选题】An authorized light to assist in the identification of submarines operating on the surface is a(n)（）.
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intermittent flashing amber/yellow light
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B.
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【单选题】The final major human cause of desertification is soil salinization resulting from overirrigation. Excess water from irrigation sinks down into the water table. If no drainage system exists, the water...
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【简答题】从法学的角度看，保险是一种___行为。
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【单选题】从法学的角度看,保险是一种
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B.
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C.
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A.
blue rotating light
B.
intermittent flashing amber/yellow light
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flashing white light
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【单选题】The final major human cause of desertification is soil salinization resulting from overirrigation. Excess water from irrigation sinks down into the water table. If no drainage system exists, the water...
A.
interfere with the irrigation of land
B.
limit the evaporation of water
C.
require more absorption of air by the soil
D.
bring salts to the surface
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查看完整题目与答案
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A.
1: 4~6
B.
1:1
C.
1:2
D.
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【简答题】一天、老王在修理厂里告诉维修师傅,开车的时候变挡杆抖动非常厉害,时不时的还会自己跑到空挡位置,需要不停的挂挡,开起来相当烦人。
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【单选题】The final major human cause of desertification is soil salinization resulting from overirrigation. Excess water from irrigation sinks down into the water table. If no drainage system exists, the water...
A.
soil erosion
B.
global warming
C.
insufficient irrigation
D.
the raising of livestock
查看完整题目与答案
【简答题】从法学的角度看，保险是一种___行为。
查看完整题目与答案