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世界卫生组织在()年宣布消灭了天花。(请用阿拉伯数字填写年份)
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皮皮学刷刷变学霸
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【简答题】25修约到个数位的0.5单位是（），将830修约到百位数的0.2单位是（）。
【简答题】将下列数字修约到个数位的0.5单位(写出计算过程) (1)60.38 (2)60.25 (3)-80.75
【简答题】将60.25修约到个数位的0.5单位是 ,将 10.2750 修约至小数点后两位 , 27.1850 修约至小数点后两位 , 4.815修约到2位小数为 。
【简答题】Juan Martinez's life is mainly about the importance of going out to nature. He said" I still can't find the words to describe the first [ 1 ] I saw those mountains." He went [ 2 ] in the Teton Mounta...
【单选题】—Hi, John, I have not seen you for a long time. What _______ recently? —Carrying on some research on wildlife. [ ]
A.
have you been doing
B.
have you done
C.
were you doing
D.
did you do
【单选题】Choose the teacher's comments about the error with the type of mistake listed A, B or C. While doing an individual drill teaching "going to," one of the students said "I going to buy some fruit." I re...
A.
slip
B.
L 1 interference
C.
error
【简答题】将数字 60.25 , 60.38 , 60.28 , -60.75 修约到“个”数位的 0.5 单位,得( )、( )、( )、( );
【简答题】He said"I like China very much." He said that ( )( ) China very much.
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