关于细菌性食物中毒的流行特点，下列选项错误的是（） A.突然发病，发病时间集中 B.

根据句意及首字母或汉语提示完成句子。

1. I got up late yesterday because I o_________.

2. The box is e_________, there is nothing in it.

3. Only Tony didn't f________ from that house while the earthquake took place.

4. His sister is going to m _________a businessman next week. She will be a wife soon.

5. What happened to Dave on April F             Day?

6. My friend and his dad came by in his dad's car and they gave me a _______(搭车).  

7. The president of America _________(宣布)that the war in Iraq had stopped.

8. I was            (精疲力竭的) when I climbed onto the top of the mountain.

9. Don't tell a lie!Nobody should be           (愚弄).

10.Could you please _________(上锁)the door when you leave here?

某校阶梯教室共有座位20排，第一排有a个座位，后面每排都比前一排多一个座位，此阶梯教室共有座位______个．

男，42岁，搬运工，间歇性腰部疼痛2年，腰痛于冬、春季加重，常在休息保暖及服吲哚美辛后缓解，最近1周腰痛加剧，以致不能弯腰，步行困难，体查脊柱无明显畸形，各椎体无压痛，弯腰45°时左下肢牵扯性疼痛，腰椎X线片未见异常。

根据病情，哪项检查最有意义（）

A.血沉

B.类风湿因子测定

C.结核抗体

D.腰椎CT

E.抗核抗体

2010年12月21日，国务院发布的《全国主体功能区规划》是我国第一个国土空间规划，是（）的规划。

A.战略性

B.基础性

C.约束性

D.公平性

E.针对性

甲状腺上动脉多发自（）。

A.甲状颈干

B.颈外动脉

C.无名动脉

D.主动脉

E.颈内动脉