为了满足生长发育的需要，10～13岁儿童（） A.铜的摄入量应高于成年人 B.碘的摄

Mrs. Smith found the toys here and there, so she asked her son to ______ his toys before having dinner.

A．put off

B．give away

C．put away

D．give out

阅读短文，按照题目要求用英语回答问题。

My name is Clara. I still remember that chilly December day, sitting in science class. I’d finished a worksheet early and picked up a Time for Kids magazine. A piece of news caught my eye. NASA was holding an essay contest to name its Mars rover (火星探测器). Before I even knew anything else about it, a single word flooded my 11-year-old mind: Curiosity.

I couldn’t wait for the bell to ring so I could get started on my essay. That afternoon, I raced home, sat down at the computer, and typed until my fingers ached. “Curiosity is an everlasting flame that burns in everyone’s mind…”

Five months later, my mom received a phone call, and immediately, a wide smile spread across her face.

On August 5, 2012, at 10:31 p.m., the rover named Curiosity touched down safely on the surface of Mars, and I was honored to have a front-row seat in NASA.

Curiosity is such an important part of who I am. I have always been fascinated by the stars, the planets, the sky and the universe. I remember as a little girl, my grandmother and I would sit together in the backyard for hours. She’d tell me stories and point out the stars. Grandma lived in China, thousands of miles away from my home in Kansas, but the stars kept us together even when we were apart. They were always there, yet there was so much I didn’t know about them. That’s what I love so much about space.

People often ask me why we go to faraway places like Mars. My answer is simple because we’re curious. We human beings do not just hole up in one place. We are constantly wondering and trying to find out what’s over the hill and beyond the horizon.

小题1:How did Clara get the news about the essay contest? (no more than 10 words)

小题2:Why did Clara have a front-row seat in NASA? (no more than 10 words)

小题3:What does Clara remember about the time spent with Grandma? (no more than 15 words)

小题4:What does the underlined phrase “hole up” mean? (1 word)

小题5:In your opinion, why is curiosity important? (no more than 20 words)

属于一级预防的措施有（）。

A.定期健康检查

B.环境保护和劳动保护

C.贯彻卫生立法，开展卫生监督

D.健康教育和自我保健

E.降低危害，促进安全行为

肺脓肿的常见感染途径是（）

A.吸入性

B.血源性

C.附近器官感染直接蔓延

D.以上都是

E.以上都不是

试述一级除盐阴床漏硅的防治措施？