【简答题】TCP/IP 体系结构 分为四层,他们从低到高分别是( )、( )、( )、( )。
【简答题】 Listen to the following short dialogues and choose the appropriate answers.
【简答题】 Listen to the story and choose the right answers to the questions you hear.
【判断题】楼梯的组成包括楼梯梯段、楼梯平台和栏杆扶手,其中梯段的合理踏步数为3≤ X ≤ 20 。
【简答题】 Listen to the speech / talk again and choose the right answer.
【单选题】 Listen and choose the most proper responses to the questions you hear.
A.
Yes, his father is a doctor.
B.
No, this is not a factory.
C.
No, he works in that one.
【单选题】 Listen to a short passage and choose the best answer to each question you hear.
A.
People aged 16 to 24 preferred listening to music most.
B.
It was getting more and more popular among the British people.
C.
It was the third most popular activity among people aged 55 and over.
D.
People aged 25 to 34 listened to music more often than those aged 16 to 24.
【单选题】下列成分中,不属于呼吸链组分的是( )P.126