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【单选题】
下面哪项不是ZigBee的网络层支持三种拓扑结构( )。
A.
总线型(Bus)结构
B.
簇树型(Cluster Tree)结构
C.
网状(Mesh)结构
D.
(Star)结构
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举一反三
【单选题】The naughty boy_his pockets_little stones.
A.
filled;in
B.
filled;with
C.
full;with
D.
full;of
查看完整题目与答案
【简答题】在○和□里填上相应的运算符号和数. (75×25)×4=75×(□×4) (14+15)a=14×□+□×a 235-54-46=□○(□○□) 1200÷25÷4=□○(□○□)
查看完整题目与答案
【简答题】口算 110×7= 430×2= 54×30= 25万+18万= 25×8= 45×2×5= 0×200= 110万-24万= 84÷4= 1200÷300= 0÷80= 125÷25= 280÷7= 280÷14= 105÷15= 45×2÷45=
查看完整题目与答案
【简答题】40×7= 800×5= 70×14= 1200÷300= 480÷6= 600÷6= 770÷77= 25×4= 125×8= 350÷70= 116-99= 254+146=
查看完整题目与答案
【简答题】脱式计算。 (1)4800÷75+72 (2)400+612÷12 (3)300-225÷5+145 (4)960-24×25 (5)1200÷25+193 (5)1450÷25+24×5
查看完整题目与答案
【单选题】The naughty boy()in his shoes when he saw the cane in his father's hand.
A.
shivered
B.
trembled
C.
frightened
D.
feared
查看完整题目与答案
【单选题】The naughty boy pretended when his mother came into the room.
A.
to sleep
B.
sleeping
C.
to be sleeping
D.
to have slept
查看完整题目与答案
【单选题】The naughty boy sat restlessly on the chair with his two legs
A.
swerving
B.
swaying
C.
swinging
D.
skidding
查看完整题目与答案
【简答题】递等式计算,能简算的要简算. ①254×99 ②13.6-(2.6+0.25÷25%) ③1200÷〔56×( 3 7 - 3 8 )〕 ④( 6 13 ×1.7+ 7 13 ×1.7)÷ 7 10 ⑤1375+450÷15×25.
查看完整题目与答案
【简答题】直接写出得数。 800+700= 42÷7= 46-21= ÷8= 35-26= 36÷6= 21÷7= 30+1200= 370-70= 54÷9= 18÷9= 60+60= 25+36= 81÷9= 25÷5= 180-90= 4800-4000= 16÷4= 28+28= 72÷8= 3×9+27= 56-7×8= 66-(25+35)=
查看完整题目与答案
相关题目:
【单选题】The naughty boy_his pockets_little stones.
A.
filled;in
B.
filled;with
C.
full;with
D.
full;of
查看完整题目与答案
【简答题】在○和□里填上相应的运算符号和数. (75×25)×4=75×(□×4) (14+15)a=14×□+□×a 235-54-46=□○(□○□) 1200÷25÷4=□○(□○□)
查看完整题目与答案
【简答题】口算 110×7= 430×2= 54×30= 25万+18万= 25×8= 45×2×5= 0×200= 110万-24万= 84÷4= 1200÷300= 0÷80= 125÷25= 280÷7= 280÷14= 105÷15= 45×2÷45=
查看完整题目与答案
【简答题】40×7= 800×5= 70×14= 1200÷300= 480÷6= 600÷6= 770÷77= 25×4= 125×8= 350÷70= 116-99= 254+146=
查看完整题目与答案
【简答题】脱式计算。 (1)4800÷75+72 (2)400+612÷12 (3)300-225÷5+145 (4)960-24×25 (5)1200÷25+193 (5)1450÷25+24×5
查看完整题目与答案
【单选题】The naughty boy()in his shoes when he saw the cane in his father's hand.
A.
shivered
B.
trembled
C.
frightened
D.
feared
查看完整题目与答案
【单选题】The naughty boy pretended when his mother came into the room.
A.
to sleep
B.
sleeping
C.
to be sleeping
D.
to have slept
查看完整题目与答案
【单选题】The naughty boy sat restlessly on the chair with his two legs
A.
swerving
B.
swaying
C.
swinging
D.
skidding
查看完整题目与答案
【简答题】递等式计算,能简算的要简算. ①254×99 ②13.6-(2.6+0.25÷25%) ③1200÷〔56×( 3 7 - 3 8 )〕 ④( 6 13 ×1.7+ 7 13 ×1.7)÷ 7 10 ⑤1375+450÷15×25.
查看完整题目与答案
【简答题】直接写出得数。 800+700= 42÷7= 46-21= ÷8= 35-26= 36÷6= 21÷7= 30+1200= 370-70= 54÷9= 18÷9= 60+60= 25+36= 81÷9= 25÷5= 180-90= 4800-4000= 16÷4= 28+28= 72÷8= 3×9+27= 56-7×8= 66-(25+35)=
查看完整题目与答案