根据句子意思或音标写出单词的适当形式。
My cousin Jack is in Class 2, G____ 7 in our school.
The family like eating in the r____  instead of (代替) at home on Sunday.
T____  is the fifth day of a week.
We do morning e____ every day.
There are 6 h____ students in my school.

The sports shoes are those____ (child).
Daniel ，____ (not talk) in class.
This pair of blue jeans ____ (be) beautiful.
Millie gets a lot of  ____  'preznts at Christmas.
Where are my ____   'trauz?z    ?

9+____=11         9+____=17         9+____=13

11-9=____          17-9=____         13-9=____

稀释质量分数为98％（密度为1.84g/ mL）的浓硫酸，配制500 mL质量分数为20％的稀硫酸（密度为1.14g/ mL），稀释时需用的水的体积约为（  ）

台湾以出口导向型经济为主，出口商品中最多的是农产品。