下列单位中是电场强度的单位的是 A．N/C B．V*m C．J/C D．J/s
题型：选择题
问题：
下列单位中是电场强度的单位的是
A．N/C
B．V*m
C．J/C
D．J/s
题型：选择题
阅读理解。阅读下面一篇短文，判断下列句子的正误，正确的用"A"表示，错误的用"B"表示。
Sailing around the world is not an easy job. One has to fight storms, pirates (海盗), illness and fear
for months. However, 16-year-old Abby Sunderland is not afraid.
The American girl, Abby, set out on January 23, 2010..Her sailboat is called Wild Eyes. Abby loves
sailing and so does her family. Her brother Zac Sunderland sailed around the world alone in July last
year.A month later, Mike Perham of the UK beat Zac to become the youngest person to sail around the
world alone. He was only afew months younger than Zac. Now, Abby is ready to challenge Mike.
She plans to be at sea for five or six months. She will be alone but she will communicate through
satellite (卫星) telephone and a blog.
Many people are worried about her. She said, "I know it's dangerous out there, but I am ready. I
believe that I can make it!"
( ) 1. Sailing all over the world is a hard job.
( ) 2. The American girl Abby set out on January 23, 2010 by her sailhoat called Wild Ears.
( ) 3. Abby's family also love sailing very much.
( ) 4. Mike Perham of the UK beat Abby to become the youngest person to sail around the world
alone.
( ) 5. Abby is going to be at sea for almost one year.
