用方框中所给单词的适当形式填空，使短文通顺、正确、连贯（每个单词限用一次）。                                  

get,  look,  some,  year,  a,  write,  by,  tomorrow,  work,  other

      Tommy is a schoolboy. He's thirteen ____  old. He's in Class 3, Grade 1. He always____  up early and he often goes to school ____ bike. He likes English, Chinese and some ____ subjects. He enjoys singing and dancing. But now he is having ____ English class.____ ! some of the students are reading books and some of the students are____  the new words. They are ____  hard . But ____  is Saturday. They don't have ____ classes. He and his friends will go to the movies. I think they'll have fun.

一个正四棱锥的正(主)视图如右图所示，该四棱锥侧面积和体积分别是（　　）

下列各组物质分类正确的是（　　）

	酸	碱	盐	氧化物
A	硫酸	纯碱	硫酸钙	氧化铁
B	盐酸	烧碱	纯碱	氧化钙
C	碳酸	硫酸钙	碳酸钠	干冰
D	干冰	苛性钠	食盐	石灰石

我能根据口诀写两个乘法算式

七八五十六____       五八四十____

责关于责任，下列说法正确的是（   ）