用词、短语或句子补全对话。

  (Liu Ming and Wang Hai are making plans for their holidays.)

A: Hi, Wang Hai.  1.______

B: I am going to sports camp in Shandong.

A: Who are you going with?

B: My friends.

A: 2.______B:  On the 10th of January.

A: 3 ______are you staying there?

B: For about two weeks. What's your 4. ______ ?

A: I am visiting Beijing with my family.  We're leaving this Friday.

B: 5.______ Have a good time.

(10分)图1为生态系统中的硫循环示意图，图2为我国三省原煤生产量、煤炭消费量和二氧化硫排放量柱状图，读图回答问题。

(1)读图1，大气中的硫主要来源于__________、__________、和__________。(3分)

(2)影响图示省区二氧化硫排放量的主要因素是__________。(1分)

(3)我国北方二氧化硫排放量高于南方，而南方的酸雨却比北方严重，产生这种差异的

主要因素是_________、_________。(2分)