搜题请搜索小程序“爱下问搜题”
问题 单项选择题 A1型题

最有助于诊断心力衰竭的辅助检查是（）

A.超声心动图

B.放射性核素

C.冠状动脉造影

D.血浆脑钠肽

E.胸部X线

答案

参考答案：D

阅读理解
阅读理解。
     I'm 15. Now I'm studying English in London. I want to invent a language machine that
can help me understand many languages.
                                                                                                 Li Ming, Hunan

     I'm a 12-year-old boy. I like traveling very much. How I wish to visit the moon some day!
                                                                                              Wu Dong, Guangdong

     I'm 16. Before the earthquake (地震) on May 12, I wanted to be a news reporter. But now
I want to be a doctor in the future. I'd like to help all the sick people.
                                                                                             Wang Hao, Sichuan

     I'm a 14-year-old girl in Tibet (西藏). The Qinghai Tibet Railway has been built. I'll be able
to reach Beijing by train in about 48 hours. My dream is to go to Beijing to watch the 2008
Olympic Games 
                                                                                                              Joma, Tibet

     I'm 13 years old. I want to invent a machine. It can send things or people from one place
to another place far away in a minute.
                                                                                                                  Wei Hua, Beijing
1. What is Li Ming's dream?
[ ]
A. Inventing a language machine.
B. Visiting the moon.
C. Being a doctor.
D. Watching the 2008 Olympic Games.
2. A bad earthquake broke out in Sichuan on _____.
[ ]
A. May 12
B. May 20
C. July 2
D. May 22
3. Who is from Tibet?
[ ]
A. Wei Hua
B. Wang Hao
C. Joma
D. Wu Dong
4. People in Tibet can get to Beijing _____ in about 48 hours now.
[ ]
A. by train
B. by bus
C. by plane
D. by car
5. The best title for these passages would be "_____".
[ ]
A. An English Teacher
B. My Dream
C. A Doctor
D. A Language Machine
查看答案
单项选择题

公众对讲机的有效发射功率不能大于（）瓦

A、0.1

B、0.5

C、1
查看答案