（6分）食品保鲜的措施有添加防腐剂、充填气体、放置干燥剂和脱氧剂等。
（1）丙酸钠是一种常用的防腐剂，其化学式为C₃H₅O₂Na。它由     种元素组成，碳元素和氧元素的质量比为    。
（2）生石灰是常用的干燥剂。请用化学方程式表示其作干燥剂的原因      。
（3）铁粉也可用作保鲜剂，它利用了铁生锈的原理，所以又称“双吸剂”。这里的“双吸”是吸收空气中的         。有一袋铁粉使用了一段时间，表面已经生锈，经验证它还可以继续使用，其验证方法是加入过量的稀盐酸，写出有关反应的化学方程式       、        。

True or False(判断下列句子是否符合短文内容, 符合的用”T”表示,不符合的用”F”表示) : ( 7分)
Biggie Burger, a new fast food restaurant, will soon be opened in the town. A large group of kids and parents were holding signs shouting outside it yesterday. They were there because hey didn't want the restaurant to open. Never!
“This kind of food is really bad for us!” said Diana,” It’s high in salt, fat, and sugar. it’s unhealthy and we are going to say ’no’ to it!”
“Our town has been a quiet place. Restaurants like this bring people and also a lot of trouble to this area,” said Barbara.” And I’m afraid they will take business away form our local restaurants.”
Other local people disagree .The officials believe that Biggie Burger will bring in huge amounts of money to help improve the town. And 17-year-old Sandy can’t wait for Biggie Burger to open.” I love their hamburgers and fried chicken wings! And I can get a job there.”
Sandy’s dad, a cleaner, agrees,” Biggie Burger’s prices are just right for a family like ours.”
Michael, who owns a toy shop next door to Biggie Burger, is excited, too.” Maybe people who come for a Biggie Burger will spend a few minutes in my store and pick up something.”
The town will hole a meeting on Thursday to hear sides. Everyone is welcome to attend it. Come and voice your opinion!
【小题1】Biggie Burger was opened yesterday and many people were there.
【小题2】 Diana thinks that the food in Biggie Burger is too expensive.
【小题3】Barbara is afraid that fewer people will come to the local restaurants.
【小题4】Sandy has found a job in Biggie Burger and loves food there.
【小题5】 Cleaners like Sandy’s dad in the town can afford the food in Biggie Burger.
【小题6】 Michael welcomes the opening of Biggie Burger.
【小题7】The town doesn’t care about people’s opinions when making a decision.

True or False(判断下列句子是否符合短文内容, 符合的用”T”表示,不符合的用”F”表示) : ( 7分)

Biggie Burger, a new fast food restaurant, will soon be opened in the town. A large group of kids and parents were holding signs shouting outside it yesterday. They were there because hey didn't want the restaurant to open. Never!

“This kind of food is really bad for us!” said Diana,” It’s high in salt, fat, and sugar. it’s unhealthy and we are going to say ’no’ to it!”

“Our town has been a quiet place. Restaurants like this bring people and also a lot of trouble to this area,” said Barbara.” And I’m afraid they will take business away form our local restaurants.”

Other local people disagree .The officials believe that Biggie Burger will bring in huge amounts of money to help improve the town. And 17-year-old Sandy can’t wait for Biggie Burger to open.” I love their hamburgers and fried chicken wings! And I can get a job there.”

Sandy’s dad, a cleaner, agrees,” Biggie Burger’s prices are just right for a family like ours.”

Michael, who owns a toy shop next door to Biggie Burger, is excited, too.” Maybe people who come for a Biggie Burger will spend a few minutes in my store and pick up something.”

The town will hole a meeting on Thursday to hear sides. Everyone is welcome to attend it. Come and voice your opinion!

 

1.Biggie Burger was opened yesterday and many people were there.

2. Diana thinks that the food in Biggie Burger is too expensive.

3.Barbara is afraid that fewer people will come to the local restaurants.

4.Sandy has found a job in Biggie Burger and loves food there.

5. Cleaners like Sandy’s dad in the town can afford the food in Biggie Burger.

6. Michael welcomes the opening of Biggie Burger.

7.The town doesn’t care about people’s opinions when making a decision.

 

根据下面一篇短文的内容判断下面句子的正误，正确的用“A”表示，错误的用“B”表示。

Tom is a little boy . He is seven .Today his mother takes him to see his uncle. His uncle's home is very far from theirs. So they are going there by bus . There are only twenty people on the bus .They all sit on the seats. Tom is very happy. He is running about on the bus, so his mother says, "Don't run! Sit down,please!"  " I like to see my uncle very much. I want this bus to go faster."Tom says.

1.Tom goes to see his uncle with his mother.

2.Tom's home is very far from his uncle's.

3.Tom and his mother go home by bus.

4.Tom and his mother run on the bus.

5.Tom's mother tells him to sit down.