项目经理在项目管理中的任务包括( )。 A．施工队伍选择 B．施工图纸设计 C．施

已知一次函数y=kx+b的图象与x轴交于点A（-6，0），与y轴交于点B．若△AOB的面积为12，求一次函数的表达式．

用所给动词的适当形式填空。

1. The astronauts           (take) good care of when they came back to the earth.

2. As we know that the whole world           (connect) by computers.

3. Long long ago, there lived an old man           (call) Paul near the sea.

4. People's lives           (change) by inventions in recent 100 years.

5. In the future we will be able to do anything that can           (do) on the earth.

6. Now the English language is widely           (use) in the world.

7. The problem           (discuss) last week is very important.

8. I'm going to Wuhan tomorrow. Do you have anything           (take) to your mother?

9. When I got to his office, I           (tell) that he had been out.

10. Coal can           (use) to produce electricity for agriculture and industry.

4个小队的少先队员去摘黄瓜，每个小队有12人，平均每人摘8千克．一共摘了多少千克？

41. Mr. Smith is very kind-hearted and capable. You are really _______ in having such a good teacher.

A．sorry

B．sad

C．poor

D．Fortunate

患者，女性，40岁，左眼视物变形、视力下降1周而就诊。检查左眼视力0.6，黄斑水肿，未出血病灶。眼底检查：

最有可能的诊断是()

A．中心性浆液性视网膜脉络病变

B．中心性渗出性视网膜脉络病变

C．黄斑囊样水肿

D．黄斑囊样变性

E．黄斑裂孔