微效基因(minorgene)

Read and choose.（阅读短文，回答问题）

Mike: Hello, Amy.

Amy: Hello, Mike.

Mike: What would you like to do today?

Amy: Well, today is very hot. I want to go swimming. What about you?

Mike: Er. . .I want to make a snowman.

Amy: But you can't. Now it is in summer.

Mike: I know.  I hope winter comes soon. I like winter best. What's your favourite season?

Amy: Summer.

Mike: Why?

Amy: Because I can wear skirts and go swimming.

1. Amy would like to _____.                

A. climb mountains  

B. go swimming  

C. skate

2. Is it not cool today?         

A. Yes, it is.  

B. No, is isn't.    

C. We don't know.

3. Which season is it now?                 

A. Spring.          

B. Summer.    

C. Winter.

4. Can Mike make a snowman now?           

A. Yes, he can.  

B. No, he can't.  

C. Yes, she can.

5. Why does Amy like summer best?                

A. Because she can go swimming and go shopping.

B. Because she can wear skirts and fly kites.

C. Because she can wear skirts and go swimming:

胸部损伤外科治疗原则是（）

A.纠正酸碱平衡失调

B.纠正电解质紊乱

C.给予脱水利尿剂

D.给予镇痛、输血

E.纠正循环、呼吸功能障碍

|根据下列材料回答。

材料一：2003年6～7月，我国淮河流域遭受了前所未遇的水灾，200万公顷农田受到威胁，被水围困人口达210万，倒塌房屋15万间，所造成的直接经济损失逾180亿元。

材料二：淮河流域图  

（1）我国最为常见的自然灾害是______，_______。

（2）试从以下三方面分析淮河流域洪涝灾害多发的原因。

①气候：___________；②地形：__________；③水系：_________________。

（3）简述治理淮河洪涝灾害的措施。

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