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【单选题】
柑橘的果实属于A.
核果
B.
浆果
C.
柑果
D.
瓠果
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举一反三
【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】土石围堰适用于( )。
A.
砂类、黏性土、碎石土及风化岩石等河床的深水基础
B.
水深1.5m以内，流速0. 5m/s以内，河床土质渗水性较小时
C.
水深3m以内，流速1. 5m/s以内，河床土质渗水性较小时
D.
埋置不深的水中基础
【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
【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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