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【单选题】
f(x)在点x=x 0 处有定义，是f(x)在x→x 0 处连续的(    )．
A.
必要条件    
B.
充分条件
C.
充分必要条件    
D.
无关的条件
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参考答案：
举一反三
【单选题】It took them about one month to _________how to start the equipment.
A.
empty out
B.
figure out
C.
clear out
D.
try out
查看完整题目与答案
【判断题】It took about 20 minutes for the technicians to get them out.
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列平面图形中尺寸标注错误的有 处。
A.
3
B.
4
C.
5
D.
6
查看完整题目与答案
【单选题】It took them about one month to ______ how to start the equipment.
A.
turn out
B.
take out
C.
figure out
D.
figure for
查看完整题目与答案
【单选题】1o.在计算机中,将数据传送到 U盘上,称为
A.
读盘
B.
打开
C.
写盘
D.
输人
查看完整题目与答案
【单选题】如图所示平面图形中,尺寸标注错误的有 处。
A.
3
B.
4
C.
5
D.
6
查看完整题目与答案
【单选题】在计算机中,将数据传送到U盘上,称为
A.
读盘
B.
打开
C.
写盘
D.
输入
查看完整题目与答案
【单选题】It took them about one month to _________ how to start the equipment.
A.
go on
B.
take away
C.
to go
D.
figure out
查看完整题目与答案
【单选题】It took them about one month to ______ how to start the equipment.
A.
figure out
B.
take out
C.
turn out
D.
figure for
查看完整题目与答案
【单选题】It took them about ten days to go _____ the big desert (沙漠). [     ]
A.
through
B.
across
C.
cross
D.
crossing
查看完整题目与答案
相关题目：
【单选题】It took them about one month to _________how to start the equipment.
A.
empty out
B.
figure out
C.
clear out
D.
try out
查看完整题目与答案
【判断题】It took about 20 minutes for the technicians to get them out.
A.
正确
B.
错误
查看完整题目与答案
【单选题】下列平面图形中尺寸标注错误的有 处。
A.
3
B.
4
C.
5
D.
6
查看完整题目与答案
【单选题】It took them about one month to ______ how to start the equipment.
A.
turn out
B.
take out
C.
figure out
D.
figure for
查看完整题目与答案
【单选题】1o.在计算机中,将数据传送到 U盘上,称为
A.
读盘
B.
打开
C.
写盘
D.
输人
查看完整题目与答案
【单选题】如图所示平面图形中,尺寸标注错误的有 处。
A.
3
B.
4
C.
5
D.
6
查看完整题目与答案
【单选题】在计算机中,将数据传送到U盘上,称为
A.
读盘
B.
打开
C.
写盘
D.
输入
查看完整题目与答案
【单选题】It took them about one month to _________ how to start the equipment.
A.
go on
B.
take away
C.
to go
D.
figure out
查看完整题目与答案
【单选题】It took them about one month to ______ how to start the equipment.
A.
figure out
B.
take out
C.
turn out
D.
figure for
查看完整题目与答案
【单选题】It took them about ten days to go _____ the big desert (沙漠). [     ]
A.
through
B.
across
C.
cross
D.
crossing
查看完整题目与答案
参考解析：
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