如图1，△ABD和△BDC都是边长为1的等边三角形。_刷题宝

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如图1，△ABD和△BDC都是边长为1的等边三角形。

上一题下一题 0.0难度选择题更新时间:2018-12-06 08:49:11

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宋词中所说“高处不胜

寒”的主要原因是（）

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氢氧化铝可治疗胃酸过多，Al（OH）₃+3HCl═AlCl₂+3H₂O，该反应属于（）

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下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。
A

School Policy
◆Fighting, saying bad words and all other bad behavior will not be allowed.
◆Do not throw rocks, snowballs, sticks, waste paper or dirt on the school grounds.
◆Rollerblading (直排轮滑) is not allowed at school.
◆Contact through a note or a phone call must be made to the school if you are absent from school.
◆Parents and visitors are required to check in at the office when entering the school.

Lunchroom Guide
◆Students should use quiet voices in the lunchroom.
◆Students should go through the lunch line in a quiet and orderly manner.
◆Students should clean up their eating area before leaving the lunchroom.
                                 Meal Prices
Lunch: $1.5 daily          Weekly Lunch Ticket: $7.50
Breakfast: $0.80           Weekly Breakfast Ticket: $4.00
Extra meal: $0.45          Adult Lunch: $2.50

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.
---I think we should buy a car now so that it will be convenient for us to go to work 。
---______ , but do you think we have so much money ?

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