“川气东送”是我国继“西气东输”工程后又一项天然气远距离管网输送工程。下图为“川气东送”工程干线分布及长江部分水电站分布示意图，读图完成下列各题。

下列措施中能减慢食品的腐败，延长其保质期的是                         (　　)

①降温冷冻　②用盐腌制　③加热烘干　④适当地使用防腐剂

根据短文内容完成下列任务。
   It's October 16th. It's Jeff's fifteenth birthday. In the morning Jeff gets up very early. He goes to Tokyo with his parents. They are going to stay there for a week. Tokyo is the capital of Japan. It's very nice. They can see many parks in Tokyo. Jeff likes Tokyo very much.
   They live in Green hotel. It's very big and clean. Oh, in the hotel Jeff meets Iris old friend Lisa. The two kids are very (A)        . In the evening Jeff's father has a birthday party for Jeff in the hotel.  (B) Lisa and her parents also come to Jeff's birthday party. They have a good time. At the party Lisa sings a Japanese song for Jeff, at about twelve o clock, Jeff doesn’t go to bed. He still plays games with Lisa.
When is Jeff's birthday?
____
How does Jeff get to Tokyo?
____
____ 选择意思相近或相同的选项替换划线邵分。
They can see many parks in Tokyo.

____ 选择适当的词汇完成(A)空格部分，使句意完整。
A. interesting  B. healthy         C. happy         D. unhappy
将划线部分(B)翻译为汉语。
____