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【简答题】
Subwa y the of urban jams and an important in urban construction. 地铁缓解了城市交通拥堵的负担,在城市建设中起着重要的作用。
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反馈参考答案：
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
【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=□○（□○□）
【单选题】The naughty boy ___ in his shoes when he saw the cane in his father's hand.
A.
quiver
B.
tremble
C.
shake
D.
shiver
【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
【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
【单选题】The naughty boy sat restlessly on the chair with his two legs
A.
swerving
B.
swaying
C.
swinging
D.
skidding
【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．
【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）=
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