【单选题】TBT协议鼓励各成员以国际标准作为制定本国技术法规的基础,这体现了贸易技术壁垒 (TBT)协议的基本原则中的( )原则。
【简答题】Monologue. 1. Complete the following statements to show the things the woman used to do.
【简答题】Monologue. 1. Choose the best answer (a, b, or c) to complete each of the following statements.
【简答题】Monologue. 1. Choose the best answer (a, b, or c) to complete each of the following statements.
【单选题】Questions 22 -25 are based on the following monologue. How did the name of 'computer virus' come into being?
A.
It resembles the biological virus.
B.
It works the same way as the human virus.
C.
It influences the human as the biological viruses do.
D.
It spreads to people who use the infected computers.
【判断题】There are at least two persons speaking in a monologue.