It seems school children all over the world complain about their school food．Cherie Blair，the wife of Prime Minister Tony Blair，said that she would prepare a packed lunch for her son if school dinners do not improve. So what do students of your age eat for lunch at school?
Japan
High schools have canteens，which serve everything from noodles to rice，but not burgers and chips．Other children bring food from home such as cold rice balls，meat or fish，pickles and vegetables．
The United States
A typical menu from a US school is made up of a hamburger with fried potatoes or roast chicken，lettuce and pickles，fruit and cookies．School lunches must also provide at least one-third of the daily dietary
allowances(定量)of protein(蛋白质)，vitamin A．vitamin C，iron，calcium，and calories(卡路里)．
Australia
Meat pies，sausage rolls and hotdogs are all traditional dishes in Australian school shops．But as the nation pays more attention to children’s health，healthier foods have started to find their way onto school menus．
Many schools have used a traffic light system．The sale of red-labelled foods including pastries，chocolate and soft drinks，is served only twice a week．Healthier green-labelled foods such as sushi，sandwiches，corn and watermelon，however are served every day．
In some schools．students have a choice of up to 89 foods to choose from，including popcorn and rice．
South Africa
Most of South Africa’s schools do not serve meals at all．Classes end at 1：30 pm and students get their own lunches．Many students bring food from home，usually sandwiches．
Fast food and fried food sell the best among students，which has led to a rise in obesity among children．But as more people began to realize the fact that being too fat may cause different diseases，some schools in towns have led the way towards better nutrition(营养)．Now students at these schools are provided with lunches of porridge with vegetables，such as cabbages，onions，beans，carrots and tomatoes.
Which belongs to red-labelled food in Australia？

A．sandwiches

B．beer

C．tomatoes

D．corn

What does the underlined word “obesity” in the last paragraph probably mean?

A．Allowances．

B．Sadness．

C．Nutrition．

D．Overweight．

We can infer(推断)from the passage that

A．a typical menu from a US school is made up of enough nutrition

B．most students in South Africa eat their lunches at home

C．many schools in Australia have traffic lights outside their schools

D．you can have whatever you like in school canteens in Japan

What is the main idea of the passage?

A．Food served in the US is the best of a11．

B．Schools should try to satisfy the needs of students．

C．Schools serve different foods from country to country．

D．School children all over the world dislike their school food．

．Who is the article meant for?

A．School lunch suppliers

B．Headmasters．

C．Students．

D．Nutritionists