柴油机排气烟色不正常的原因？

女性，38岁，1个月前发生上消化道出血，经胃镜检查证实为食管静脉曲张，既往有乙型肝炎病史，目前肝功能有轻度损害，下列术式中，既能预防食管曲张静脉再出血，又对肝功能影响最小的是

A．肠系膜上静脉-下腔静脉分流术
B．脾切除，贲门周围血管离断术
C．脾肾静脉分流术
D．门腔静脉分流术
E．脾切除术

阅读短文，选择正确答案。

      Mary is a little girl. She is only five, she does not go to school, and, of course, she doesn't know how to

read and write. But her sister, Kate, is a school girl. She's ten.

      One day, Kate sees her little sister at the table and there is a pen in her hand and a piece of paper in front of

her.

      " What are you doing, Mary? " she asks.

      " I'm writing a letter to my friend Kitty." Says Mary.

      " But how can you? " says her sister. " You don't know how to write."

      " Well." says Mary. " It doesn't matter, because Kitty does not know how to read, either."

1. Does Mary know how to read and write?  _____________.[ ]

A. Yes

B. No

C. She knows a little

D. Not sure

2. Mary's sister _____________.[ ]

A. is fire

B. is younger than Mary

C. is not a student

D. is ten years old

3. One day, Mary _____________.[ ]

A. is drawing a picture

B. is doing her homework

C. is sitting on the table

D. is writing a letter

4. Mary's friend, Kitty is _____________.[ ]

A. ten year's old

B. five

C. a student

D. Not a student

5. You think Mary is _____________.[ ]

A. warm-hearted

B. ten-year-old

C. very interesting

D. stupid

(2013·高考新课标全国卷Ⅱ)阅读下面这首宋诗，完成(1)～(2)题。

次韵雪后书事二首(其一)

朱　熹

惆怅江头几树梅，杖藜行绕去还来。

前时雪压无寻处，昨夜月明依旧开。

折寄遥怜人似玉，相思应恨劫成灰。

沉吟日落寒鸦起，却望柴荆独自回。

小题1:这首咏梅诗中，作者是用什么手法来表现梅花的？请简要分析。

答：________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

小题2:诗的最后一联表达了作者什么样的心情？请简要分析。

答：________________________________________________________________________

________________________________________________________________________

________________________________________________________________________

自2006年6月1日起，对个人购买住房不足5年转手交易的，销售时（）征收营业税。

A.免征

B.全额

C.按其售房收入减去合理费用的差额

D.按其售房收入减去购买房屋的价款后的差额

（）不是操作系统的监控参数。

A.文件系统空间

B.CPU使用率

C.CICS长交易

D.交换空间使用率