I am hungry．But there is little left．I have to go and buy some．（ ）
| A． |
sandwiches |
B． |
potatoes |
C． |
water |
D． |
bread |
I am hungry．But there is little left．I have to go and buy some．（ ）
| A． |
sandwiches |
B． |
potatoes |
C． |
water |
D． |
bread |
满足
,则
( )
ABC中,若的
则
则
="" ( )
终边上一点的坐标为
,则
( )
且
,则
是 ( )
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