对本文《为你打开一扇门》的写作特点归纳正确的是(    )

葡萄糖是人体内最重要的供能物质，一部分在体内被 ____，最终生成　 ____；另一部分被肝脏、肌肉等组织合成 ____而储存起来；还有一部分转变成 ____，储存在脂肪组织中．

The Great Wall is very      . 

连线题

①Have you got any stamps from China ? ____       

②What do you do on Flag Day ?____                   

③What’s your favourite festival ?  ____                     

④Is there a letter for me ?  ____                      

⑤Do you miss China ?____           

A. Yes, there is .   B. It’s the Lantern Festival.     C. Sometimes.

D. Yes, I have.    E. We carry flags and we sing songs.

$\frac{9}{10}\times 30=$      $\frac{5}{9}-\frac{1}{3}=$       $6\times \frac{5}{36}=$       $\frac{7}{8}\times \frac{8}{7}=$       $\frac{8}{25}\times 100=$

$1-\frac{2}{5}=$       $\frac{4}{8}+\frac{1}{4}=$       $\frac{5}{9}\times \frac{2}{5}=$       $\frac{1}{7}-\frac{1}{9}=$        $2-\frac{1}{3}=$