问题
选择题
在平面直角坐标系中,点(4,-3)所在象限是( )
A.第一象限
B.第二象限
C.第三象限
D.第四象限
答案
∵点的横坐标4>0,纵坐标-3<0,∴点P(4,-3)在第四象限.
故选D.
在平面直角坐标系中,点(4,-3)所在象限是( )
A.第一象限
B.第二象限
C.第三象限
D.第四象限
∵点的横坐标4>0,纵坐标-3<0,∴点P(4,-3)在第四象限.
故选D.
One of Jack’s friends loves money very much, and he never gives anything to __1__. Soon he becomes very rich. One day, while he was walking near a river__2__ his friends, he slipped( 滑倒)and fell into the river. His friends ran to help him, and one of __3__ kneeled(跪)on the ground, held out his hand and said, “Give me your __4__, and I will pull you out!” The rich man’s head went under the __5__ and then came up again, but he didn’t give his hand. Again another one tried, but again __6__ thing happened. Then Jack said,“__7__ my hand and I will pull you out!” The rich man took his hand, and Jack pulled him out of the water. “You don’t know our __8__ very well,” he said to __9__, “when you say “Give’ to him, he does nothing, but when you say ‘Take’, he does what you tell him__10__.”
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