书面表达。

       假如你是"东北虎保护协会"会员,请你以东北虎的名义写一封给人类的公开信,呼吁人类保护东北虎.信的内容包括:

1.你们大量砍伐森林,我们的食物减少,居住地缩小；

2.你们大量捕杀我们,用虎骨制药、虎皮制衣；

3.希望你们采取措施来保护我们,扩大老虎保护区,禁止捕猎；

4.让老虎和人类和平相处.

Dear Man,

     I'm a tiger in the northeast of China. I'd like to have a talk with you. We lived in the forest happily

for thousands of years, and then you came! And now we are in danger.

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Project schedule management is made up of six management processes including: activity definition, activity sequencing, ( 71) , and schedule control by order．

A．activity duration estimating, schedule developing, activity resource estimating

B．activity resource estimating, activity duration estimating, schedule development

C．schedule developing, activity resource estimating, activity duration estimating

D．activity resource estimating, schedule developing, activity duration estimating