急性肾炎风水相搏证，浮肿先见于头面的原因是：（）A．风性向上 B．风邪上受 C．肺气

阅读理解。

     "Throw me the ball!"

     "Here! Throw it to me!"

     The boys are playing basketball. They play games every Tuesday and Thursday afternoon. There is a

 big field (场地) in the school. They play other games, too.

      Now, it's 5:30. Fred and Tom are walking home together. "My brother is going to give me his

 basketball shoes," says Tom. "My father is going to buy him new shoes."

     "Oh, that's fine. what size (尺寸) are they?"

     "Size seven. That's my size. They are too small for my brother."

     "when is he going to give them to you?"

     "When he gets his new shoes next month, I think.  Come over after supper and see them."

     "OK, see you! "

1. When do the boys play games?

    A. Every day.

    B. Every Thursday only.

    C. Every Tuesday only.

    D. Every Tuesday and Thursday.

2. What time do they leave school?

    A. At five o'clock.          

    B. At six o'clock.

    C. At five thirty.            

    D. At seven

3. Which is right?

    A. Tom walks home alone every day.

    B. Tom walks home with all his classmates.

    C. Tome walks home with a girl.

    D. Tom walks home with Fred.

4. When is Tom going to get the shoes?

    A. In two months.          

    B. Next month.

    C. Next week.              

    D. Next day.

5. Why does Tom's brother give Tom his shoes?

    A. They are too big.        

    B. They are too small.

    C. They are too beautiful  

    D. They are too old.

以下可能导致甲状腺素上升的是

A．急性病毒性肝炎

B．口服泼尼松(强的松)

C．肾病综合征

D．雄激素增多

冬季气候寒冷，人们衣服穿得厚，行动不便，要随时注意过往（），防止发生意外。

A.意外

B.汽车

C.车辆

D.行人

男性，60岁，因胃溃疡合并多次大出血，行胃大部切除术

该患者术后5天出现黑便，最可能的原因是

A．术中止血不确切
B．吻合口缝线感染
C．吻合口部分黏膜坏死脱落
D．应激性溃疡
E．术后胃内残余血

下图中图A表示玉米种子在黑暗中萌发时，测得的胚芽鞘与幼根中各部分生长素含量的变化情况；图B表示切除玉米胚芽鞘顶端后，在其左侧放置含有不同浓度生长素的琼脂块，将实验装置在黑暗中放置12小时后观察到的实验现象；图C表示琼脂块中不同生长素浓度与胚芽鞘向右弯曲的角度之间的关系曲线。请据图分析回答：

将实验装置放置在黑暗中的目的是（）；分析图C所示实验结果，可以得出的实验结论是（）