肾盂肾炎最常见的感染途径为（）。 A.由尿路黏膜上行感染 B.由盆腔炎症引起感染 C

根据首字母和语境填写单词。

1. Come and see for y______ at Huaxing Clothes Store.

2. She can’t go to school. She is too young. She is o______ three years old.

3. Math is d____ for me. Can you help me with math? I really need your

help.

4. Our books are great for 2 yuan each. All of you can a______ them.

5. I can learn about Chinese h________ from Chinese documentaries.

6. Look! H___ is my family photo!

7 -How do you s___ it?  

   -P-E-N.

8.There are 12 months in a year. The t_________ month of the year is

December.

9. The first day of the week is S___________.

10.- Let’s play tennis.  

     - That s__________ great.

2008年5月12日，强震猝然袭来，让中国的汶川生离死别．党中央立即召开会议研究．造成此次特地震的其中一原因为______板块向______板块俯冲，造成青藏高原快速隆起．

二尖瓣关闭不全时（）

A.E峰上升速度增快，下降速度明显减慢

B.E峰上升速度及下降速度均增快

C.E峰上升速度及下降速度明显减慢

D.E峰上升速度及下降速度无明显变化

E.E峰上升速度减慢，下降速度增快

下列哪项适合治疗胃切除术后引起的缺铁性贫血（）

A.糖皮质激素

B.脾切除术

C.右旋糖酐铁注射

D.雄激素

E.输血

非责任事故