西亚著名的灌溉农业区位于

下列词语中没有错别字的一组是（    ）

如图，$F_1$、$F_2$是双曲线$\frac{x^2}{a^2}-\frac{y^2}{b^2}=1\left(a>0,b>0\right)$的左、右焦点，过$F_1$的直线$l$与双曲线的左、右两个分支分别交于点$A$、$B$，若$△AB{F}_2$为等边三角形，则该双曲线的离心率为 （   ）

结合下列信息和所学知识，你认为荣誉军人陈彪的伤因是（    ）

根据短文理解，选择正确答案。

    Do you want to be a reporter? Are you a good English writer who loves the news? We're looking for 100 students from all over the world. They will join the BBC Kid Reporter team for the 2016－2017 school year.

    In the past, BBC Kid Reporters:

★Interviewed (采访) some famous people.

★Wrote news stories for BBC For Kids.

★Talked about their work on television.

Next year our team will go on to report local news stories for BBC For Kids magazine (杂志) and bbcforkids.com.

How to Enter

    Visit www. bbcforkids.com and fill in the entry form (报名表). Be sure to read the rules and share them with your parents, who must sign your form. You must finish the form by July 9, 2016. You must be OVER 13 years of age. Good luck!