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【简答题】
如果一个图形关于某一条直线作轴对称变换后，能够与另一个图形______，那么就说这两个图形关于这条直线对称，也称这两个图形成轴对称．这条直线叫做对称轴．原像与像中能互相______的两个点，其中一点叫做另一个点关于这条直线的对应点．
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反馈参考答案：
举一反三
【单选题】Training for a marathon requires careful preparation and steady, gradual increases in the length of the runs. ___1___, buy the best-fitting, best-built running shoes you can find. No one can say which...
A.
After six days
B.
For a good marathon runner
C.
Before you begin your training
D.
With each day, increase the distance by a half mile
E.
If they still feel good, you can begin running in them
F.
Time spent for preparation raises the quality of training
G.
Now you are ready to figure out a goal of improving distance and time
【简答题】As the season is rapidly approaching, the buyers ______ our part are badly ______ need of the goods.
【单选题】Training for a marathon requires careful preparation and steady, gradual increases in the length of the runs. ___1___, buy the best-fitting, best-built running shoes you can find. No one can say which...
A.
After six days
B.
For a good marathon runner
C.
Before you begin your training
D.
With each day, increase the distance by a half mile
E.
If they still feel good, you can begin running in them
F.
Time spent for preparation raises the quality of training
G.
Now you are ready to figure out a goal of improving distance and time
【单选题】Our concepts of time and space are in part conditioned by the structure of particular languages.
A.
Y
B.
N
C.
NG
【单选题】While the others are absent you can stretch out your soul until it fills up the whole room.
A.
switch on
B.
extend
C.
throw out
D.
go along
【单选题】You can stretch out your soul until if fills up the whole room.
A.
lengthen your soul
B.
pull your soul
C.
relax and enjoy your freedom
D.
lie down
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