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【判断题】
直到19世纪,“物不知数”的问题,在欧洲数学家们中才得到结论。()A.
正确
B.
错误
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【单选题】My wife is out of work now, so we have to ________ our living expenses.
A.
cut down
B.
cut off
C.
cut out
D.
cut short
【单选题】常用的数据传输速率单位有Kbps、Mbps、Gbps，lGbps等于 。
A.
1×103Mbps
B.
1×103Kbps
C.
l×106Mbps
D.
1×109Kbps
【单选题】常用的数据传输速率单位有kbps、Mbps、Gbps。1Gbps等于
A.
1×103Mbps
B.
1×103kbps
C.
1×106Mbps
D.
1×109kbps
【简答题】三、完形填空。 All of my family members volunteer to help others in our _ 1 _ time. We go to different _ 2 _ to help different people. My wife, Rose, likes children very much. She goes to a Day Care Center e...
【简答题】关于对“”的构想，下列说法错误的是（ ）。
【简答题】B In the middle of the night, Peter's wife suddenly fell ill. She couldn’t help crying, “Oh, my stomach ( 胃 )! Get the 1 !” Peter, awaking from a deep sleep, thought his wife was only having a 2 dream...
【简答题】All of my family members volunteer to help others in our _1_ time. We go to different _2_ to help different people. My wife, Rose, likes children very much. She goes to a Day Care Center every afterno...
【单选题】常用的数据传输速率单位有kbps、Mbps、Gbps,1Mbps等于( )
A.
lⅹ256kbps
B.
lⅹ512kbps
C.
Iⅹ2048kbps
D.
Iⅹ1024kbps
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