慢性肾盂肾炎正确的是（）。 A.采用2周疗法 B.单剂抗菌疗法 C_爱下问搜题

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问题单项选择题

慢性肾盂肾炎正确的是（）。

A.采用2周疗法

B.单剂抗菌疗法

C.几种抗生素轮换应用，直至症状控制或菌尿消失

D.联合抗菌疗法

E.卧床休息

答案

参考答案：C

完形填空

完形填空。

     One Saturday morning Bill and his mother went    1   a shoe shop to    2  _ John a pair of new shoes.
Mrs. Lee put her bag , on a chair    3   she looked at some shoes. She could not see   4   she liked and
went away. Suddenly she said, "Oh, my bag, someone    5     it away! " All    6    people in the shop
stopped    7    and looked at her. Bill ran after the man at once. A few minutes    8   , Bill came back with
   9  . He gave it to his mother. She opened the bag and had a look in   10   . Then she  said , " Oh, good,
everything is still there. "

( )1. A. for
( )2. A. buy
( )3. A. so
( )4. A. some
( )5. A. went
( )6. A. another
( )7. A. saying
( )8. A. after
( )9. A. the bag
( )10. A. one

B. by
B. give
B. but
B. any shoes
B. had
B. the other
B. sitting
B. later
B. the shoes
B. it

C. on
C. take
C. when
C. any bags
C. took
C. any
C. thinking
C. past
C. the man
C. them

D. to
D. bring
D. how
D. shops
D. got
D. the others
D. talking
D. earlier
D. his mother
D. him

填空题

滑轮在生活中有着广泛的应用．在需要改变力的方向时，要使用______滑轮，在需要省力时，要使用______滑轮．（选填“定”或“动”）

下表是小明测一滑轮组机械效率时收集的部分数据．请在图中画出实验中滑轮组的绕绳方法．

实验次数	钩码上升高度h/m	动力作用点移动距离s/m
1	0.1	0.3
2	0.2	0.6
3	0.3	0.9