柑桔黄龙病的传播途径是（）

阅读与表达。

     Jan Mela isn't like most kids. Two years ago, he lost an arm and a leg. But that didn't stop him.

     On Saturday, the 15-year-old boy from Poland walked to the North Pole without any help.

     "If I can do it, other people can do great things, too." Mela said before he went.

Polish newspapers said Mela was the youngest person and the first handicapped (残疾的) person to walk

to the North Pole.

     How did Mela lose an arm and a leg? He had an electrical accident. Now he walks with the help of a

62,000-yuan man-made leg.

     After the accident, Mela felt sad for himself. But he didn't lose hope. One day, he met Marek

Knminski, a Polish explorer. Eight years ago, Kaminski went to the North Pole and the South Pole in the

same year. Mela wanted to see the Noth Pole, too. So Mela asked Kaminski if they could go together

next time.

Kaminski said yes!

     It took Mela 21 days to get to the Noth Pole. The last three or four days were really hard because of

bad weather. But Mela kept doing.

     "I didn't think we would make it," he said. "Then, things got better."

1. What does the underlined word "that" refer to?

    ____________________________________________________________________

2. Why did Polish newspapers report the travel to the Noth Pole?

    ____________________________________________________________________

3. How does Mela walk after the accident?

    ____________________________________________________________________

4. Where did Kaminski go eight years ago?

    ____________________________________________________________________

5. Why did Mela make the travel?

    ____________________________________________________________________

具有调节肢体运动和眼睑开阖功能的是（）.

A.督脉

B.阴跷脉与阳跷脉

C.足太阳膀胱经

D.足少阳胆经

E.十二经筋

龙门刨床齿轮齿条啮合间隙的大小，不会影响工作台运动的平稳性。

人为什么会努力学习请用现代心理学中的集中主要动机理论分析之。

患者，男性，28岁。施工时不慎从4米高处跌下，半小时后被送入急诊室。体检：血压4/2kPa(30/15mmHg)，神清、气促、面色苍白、四肢发 凉、脉细弱，左侧胸压痛明显，胸廓塌陷、有骨擦感及反常呼吸征，左胸有一2cm×2.5cm创口，可听到气体出入创口响声，左侧呼吸音消失，右侧呼吸音减 低

根据病历摘要，可以明确下列哪些诊断？（）

A.多发性肋骨骨折

B.开放性气胸

C.血胸

D.张力性气胸

E.外伤性膈疝

F.心包填塞

G.创伤性休克

H.颅脑损伤