右侧结肠癌临床表现的特点是 A．全身中毒症状、腹部肿块、贫血 B．全身中毒症状、便秘

阅读理解。

    ● AC Milan star Kaka says a foot injury (受伤) is still stopping him from returning to football. He has

not played for 32 days. Kaka says he is in a lot of pain. "I hurt myself in an area that we always put pressure

(压力) on." Kaka once played for a year with a knee injury, but the 26-year-old said this is much worse.

   ● British actress Emma used to spend more time filming than at school. But today she is ready to pay

more attention to her studies. This 19-year-old girl will start at the Yale University in the autumn. "I always

loved school. I just want to go back and find what else there is," she said.

   ● Chinese 25-year-old sports star Liu Xiang returned to Shanghai in March. He had a successful foot

operation (手术) in December in Houston, and spent the next three months there for recovery (康复) and

basic training. It is said that a group of doctors are ready to help with Liu's recovery.

   ● Russian great tennis player Sharapova will not be playing in the MPS Group Championships, which

begins in the US on Monday. Sharapova was missing the Sony Ericsson Open the week before last in Miami.

She may continue training for the WTA Rome event at the beginning of May.

1. Liu Xiang's foot operation was successfully done in December in            . [ ]

A. Miami

B. Rome

C. Houston

D. Shanghai

2. How long has Kaka not played football because of his foot injury?[ ]

A. More than a month.

B. About a year.

C. Two weeks.

D. Three months.

3. Which of the following is RIGHT?[ ]

A. Emma started school at the age of 19.

B. Sharapova may play in the WTA Rome evernt.

C. Kaka was hurt by other players.

D. Liu Xiang returned to Shanghai for an ad.

4. Among the four persons,             isn't a sports star. [ ]

A. Sharapova

B. Liu Xiang

C. Emma

D. Kaka

2010年秋冬季，白菜价格一路上扬，市场上一度出现“抢”白菜现象，激发了农民的种菜积极性，2011年全国多地大面积种植大白菜，导致供过于求。苏中H县大白菜价格即便一降再降，仍少有问津，而相邻的T县根据市场调研，从韩国引进新的品种，不仅口感好，可作家常菜、火锅菜，还可以用来制作韩国泡菜，所种蔬菜供不应求，卖出了普通白菜的六倍价格。

（1）上图中的A、B两条需求弹性曲线，哪一条更能反映大白菜消费需求状况？为什么？

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（2）请根据材料，运用《经济生活》的知识，为H县菜农走出困境支招。

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属于色素异常型的皮损为（）。

A.石棉疣

B.铅、汞引起齿龈蓝灰色线

C.严重时可形成囊肿及脓肿

D.接触部位的水肿性红斑、糜烂、渗出

E.荨麻疹或血管性水肿

在下列情况中，工期不予顺延的是( )。

A．发包人未按时提供施工条件

B．设计变更造成工期延长，但此项有时差可利用

C．一周内非承包人原因停水、停电、停气造成停工累计超过8小时

D．不可抗力事件

NF-1基因突变可引起（）

A.视网膜母细胞瘤

B.结肠腺瘤性息肉病

C.神经纤维瘤病

D.肾母细胞瘤

E.乳腺癌