When you look at your food, some ingredients are easy to see. For example, there is cheese on your pizza and butter on your bread. But our meals are also filled with ingredients you can’t see. And you might be surprised to learn just how much those hidden (隐藏的) ingredients affect your health.

Salt is a perfect example of an ingredient that you might not notice, even when you eat a lot of it. More than 75% of the salt we eat is hidden in restaurant meals, fast food and processed (加工过的) food , such as French fries, hot dogs and even biscuits.

Salt is important to us. It keeps our muscles (肌肉）working and our nerves (神经）sending  messages through the whole body. Salt can be used to clean teeth, to make our skin smooth or added to a relaxing bath. Salt is also used to help make food last (持续) longer.

However eating too much salt can cause heart problems. For a long time, heart trouble has been regarded as an adult problem, but new research shows that salt is starting to affect kids. Then how much salt is safe for kids every day? Let's look at the following chart:

Kids should not eat more than that.

1.The underlined word “ingredients” means “__________” in Chinese.

2.The first two paragraphs tell us _________.

3.Which of the following is Not the use of salt according to the passage?

4. If Tim is 10 years old, how much salt should he eat every day?

5. What can we learn from the passage?

根据下列句子及所给单词的首字母,在答题纸上写出各单词的完全形式 (每空限填一词).

71. The boy wants a new computer,but his mother turns a d_______ ear to his wishes.

72. In that winter,lots of poor people died of cold and h_______.

73. I haven’t ordered the beef, I’ve chosen the fish i_______. It’s fresher.

74. In the n_______part of China, autumn is the best season of a year.

75. .D_______too much wine is bad for your health.

76. If I f_______ the exam,my parents wouldn’t take me to KFC.

77. He p_______ to stay at home rather than go out last Saturday.

78. We all feel e_______ after a hard day’s work.

79. Students should believe in t_______when they learn foreign languages.

80. China made a d         to give Americans a hand because of the economic crisis.

根据下列句子及所给单词的首字母,在答题纸上写出各单词的完全形式 (每空限填一词).

71. The boy wants a new computer,but his mother turns a d_______ ear to his wishes.

72. In that winter,lots of poor people died of cold and h_______.

73. I haven’t ordered the beef, I’ve chosen the fish i_______. It’s fresher.

74. In the n_______part of China, autumn is the best season of a year.

75. .D_______too much wine is bad for your health.

76. If I f_______ the exam,my parents wouldn’t take me to KFC.

77. He p_______ to stay at home rather than go out last Saturday.

78. We all feel e_______ after a hard day’s work.

79. Students should believe in t_______when they learn foreign languages.

80. China made a d         to give Americans a hand because of the economic crisis.