题干

如图,AE=AD,请你添加一个条件:________,使△ABE≌△ACD(图中不再增加其他字母).

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答案(点此获取答案解析)

AB=AC,∠B=∠C

同类题2

根据短文内容, 从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

    As we all know, sleep is very important and necessary. I would love everyone to develop the following four habits to have better sleep without needing the alarm(闹钟)wake-up call.

    ____If you eat much food an hour before you go to bed, your body will hate you, because your body needs time to digest while you are still awake.

    ____When I hear on TV that people just need 30-minute exercise a week, I think that's wrong. Every person should get 30-minute exercise every day. When you exercise, your body uses energy and feels tired. You have to recover from the tiredness. ____ The harder you exercise your body, the faster it falls to sleep and the better it sleeps.

    Turn the TV off. There are a few shows I still watch, but they will never get in my way of (妨碍) sleep. The bedroom is only for sleeping and rest. ____.

    ____A question to ask yourself: If I didn't have an alarm, what time would I get up? If that time is the time you need to get up, you should probably throw away the alarm. If the time you actually get up is much later than the time you need to get up, make great changes to your way of life and the time you go to sleep. No one should need an alarm.

A. Exercise for at least 30 minutes every day.

B. Don't eat any food 4 hours before you sleep.

C. Throw away the alarm.

D. Sleep is one of the most important things in our lives.

E. Your body recovers when you are sleeping.

F. Try to get up as early as you can.

G. Take the TV out of your bedroom.

同类题5

丝绸之路对中外历史产生了深远的影响。阅读材料,回答问题。

材料一

丝绸之路分为陆地和海上两条路线。海上丝绸之路分为东线与南线。南方丝绸之路始于春秋末期。下列表格为南方海上丝绸之路信息。

南方海上丝绸之路


汉朝

唐朝

两宋

路线

从今天广东东南到东南亚和南亚。

从泉州和广州等地南下,可达东南亚和南亚,通今波斯湾、红海,可与大食(阿拉伯帝国)相通。

从泉州和广州等地南下,可达东南亚和南亚,通今波斯湾、红海至欧洲,也可至非洲东海岸。除主干道外,还有许多支线。

管理

汉在徐闻县南七里(今广东徐闻县),置左右侯官。

唐玄宗在广州设市舶司后,几乎包揽了全部的南海贸易。对朝贡使团则只准许使者及随从二人入京觐见。

先后在广州、泉州、明州、杭州、密州等12处设有市舶司,专司外商货物税。还制定市舶条或市舶法,不许官员权贵经营海外贸易、买舶商货物。

货物

汉武帝时有外国使者来进献,汉武帝派译长带上黄金和丝绸出海,到这些国家交换明珠、璧琉璃、奇石、异物。

主要货物为丝绷、瓷器、漆器等输出品及胡椒、香料、珠宝象牙等输入品。

进出口货物达400多种。进口商品有香料、珍珠、象牙、药材等,主要出口纷织品、金属及其制品、陶瓷品、茶叶等商品。外贸分官营与私营,以后者为主。

材料二

工业革命推动资本主义世界市场基本形成。随着英国世界殖民霸主地位的确立,广阔的殖民地为其带来巨大的市场和商业利润,工场手工业不能满足市场的需要,在18世纪下半期以蒸汽机应用为标志的工业革命兴起了,机器大生产的产品远远超出国内市场的容量,需要更广阔的国际市场,工厂生产需要的原料多来自世界各地,同时工业革命也为工业资产阶级提供了便捷的交通手段及轰开落后地区大门的坚船利炮,在工业革命推动下,资产阶级的全球扩张把整个世界联系为一个整体,马克思在《共产党宣言》中这样描述资产阶级,由于一切生产工共的迅速改进,由于交通的极其便利,把一切民族甚至最野蛮的民族都卷进文明中来了,它的商品的低廉价格,是它用来摧轰一切万里长城,征服最野蛮最顽强抵抗的仇外心理的重炮。

——何兰《资本主义世界市场的形成及殖民体系研究》