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【小题1】求抛物线的解析式
【小题2】请通过计算判断抛物线是否经过点C;
【小题3】设M,N 分别为x轴,y轴上的两个动点,当四边形PNMC的周长最小时,请直接写出M,N两点的坐标. 查看习题详情和答案>>
当今,微博越来越普及,尤其在年轻人的日常生活中已经成为不可缺少的一部分。与博客不同,微博的内容要少一些。不过过度或不当地使用微博会浪费时间、精力和金钱,我们初中生更不能沉溺其中。请根据下图提示,用英语写一篇短文, 描述图片所示现象,并谈谈个人对此事的观点(至少两点)。![]()
要求:1、词数100左右 (开头已给出,不计入总词数)
2、可参照图示及上面的说明作必要的想象和发挥,但不要逐句作简单翻译。
3、参考词汇:微博 microblog n.; 便利 convenience n. ;沉溺于 be lost in
Microblog, as its name shows, is a kind of blog, which is different from a traditional blog in that its content is smaller in size. ___________________________________________________
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Now in some places of our country, many people are cutting down (砍伐) the trees in the forests. They need more ? ? to build houses and more farmland to grow crops and so on. The areas of forests are getting ? . Some scientists say that there ? ? no big forests in 20 or 30 years. It is really a(n)? thing. ? ? the forests, we will have sandstorms (沙尘暴) often. The weather will get ? ? . The earth will become a big desert (沙漠). A lot of plants and animals will ? . Crops will not grow anywhere. Life will be ? for everyone.
So we should do our best ? ? our living environment and keep our mountains ? ? , the water clean, and the sky blue.
1.A. wood????????????? B. money????????????? C. deserts????????????? D. leaves
2.A. bigger and bigger B. less and less?? C. smaller and smaller????????????? D. more and more
3.A. has????????????? B. have????????????? C. will have????????????? D. will be
4.A. excited????????????? B. happy????????????? C. better????????????? D. terrible
5.A. With????????????? B. Under????????????? C. Within????????????? D. Without
6.A. wet and cold????????????? B. hot and dry????????????? C. cold and dry?? ??? D. hot and wet
7.A. come????????????? B. live????????????? C. die????????????? ????????????? D. turn
8.A. difficult????????????? B. easy????????????? C. enjoyable????????????? D. poor
9.A. protect????????????? B. to protect????????????? C. protecting????????????? D. protected
10.A. clear????????????? B. fresh????????????? C. green????????????? D. blue
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当今,微博越来越普及,尤其在年轻人的日常生活中已经成为不可缺少的一部分。与博客不同,微博的内容要少一些。不过过度或不当地使用微博会浪费时间、精力和金钱,我们初中生更不能沉溺其中。请根据下图提示,用英语写一篇短文, 描述图片所示现象,并谈谈个人对此事的观点(至少两点)。
![]()
要求:1、词数100左右 (开头已给出,不计入总词数)
2、可参照图示及上面的说明作必要的想象和发挥,但不要逐句作简单翻译。
3、参考词汇:微博 microblog n.; 便利 convenience n. ;沉溺于 be lost in
Microblog, as its name shows, is a kind of blog, which is different from a traditional blog in that its content is smaller in size. ___________________________________________________
__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
查看习题详情和答案>>
1. —这件上衣是由什么制成的?
—是棉布做的。
—What is this coat made of ?
—It _____ _____ _____ cotton.
2. —这些花是塑料做的吗?
—是的。
—Are these flowers _____ _____ plastic?
—Yes,they are.
3. 这里的纸都是上好的木材做的。
The paper here is _____ _____ the top-notch wood.
4. 玻璃能被做成各种各样的瓶子。
Glass can be _____ _____ all kinds of bottles.
5. 我简直不相信这是用黄土做的。
I _____ _____ _____ this is made of yellow earth.
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