目前,较高级的网络单信道光纤传输速率已达到每秒()
A.5G
B.10G
C.20G
D.30G
参考答案:B
阅读小天地。
My name is Li Hua. There are four people in my family. My father is a doctor. He looks strong. He likes
football. My mother is a teacher. She has long hair and big eyes . She doesn't like sports, but she likes music.
My little sister is pretty. She's only two. She often plays with the cat. I'm a boy. I'm a student. I'm tall and thin.
I like playing computer games. I have a happy family.
根据短文内容,判断下列句子的正(√)误(×)。
( ) 1. My father is a teacher.
( ) 2. My mother likes sports.
( ) 3. I am thin.
( ) 4. My sister likes playing with the cat.
( ) 5. There are five people in my family.
易与正常右侧肾上腺相混淆的结构有()
A.结肠肝区气体
B.腹主动脉
C.右侧横膈角
D.右肾囊性占位