C．story D．poster

　　解析：选A　推理判断题。根据文章的第一句"Hello, I am Sonia Comez from Argentina."以及下文可知，这篇文章是介绍自己的一个演讲。故选A。

　　2．The writer was employed for________.

　　A．her previous experience

　　B．her interest in the job

　　C．the training she received

　　D．the test she took

　　解析：选A　细节理解题。根据第二段的"I applied for the job, and because of my previous experience, they hired me."可知。

　　3．How many languages does the writer speak?

　　A．2. B．3.

　　C．4 D．5.

　　解析：选B　细节理解题。根据第三段的"My first language is Spanish, and I am also fluent in English and French."可知，作者会说三种语言。

　　4．The writer thinks her job________.

　　A．boring and dangerous

　　B．interesting but tiring

　　C．exciting but challenging

　　D．easy and wonderful

　　解析：选C　推理判断题。根据第一段的"I have a very exciting job"以及第三段的"Finally, mountain climbing can be dangerous"可知选C。

　　B

　　Bored with your life? Dreaming of something different? I always wonder what life would be like 400 km above my head. That's where the International Space Station orbits the earth, with six astronauts living and working on board, for months at a time.

　　How do they sleep? They spend the night floating in a sleeping bag inside a small cubicle (小隔间) on the ceiling. American astronaut Sunita Williams explains, "It's like a little phone booth, but it's pretty comfortable and it doesn't matter if I turn over and sleep upside down. I don't have any sensation (感觉) in my head that tells me I'm upside down."

Brushing your teeth in a place where you can't have a tap or a sink can be a challenge. Can you