【多选题】How do you introduce your company to your clients?
A.
Introduce the nature of your company.
B.
Introduce the history of your company.
C.
Introduce the size of your company.
D.
Introduce your products and orders.
【判断题】共晶转变、包晶转变都是恒温转变,而共析转变不是恒温转变。
【单选题】What is one difference between an unofficial transcript. and an official transcript?
A.
An unofficial transcript. can be obtained free of charge.
B.
An unofficial transcript. includes less information.
C.
An unofficial transcript. takes five days to receive.
D.
An unofficial transcript. can be used for a scholarship.
【判断题】Wifi是一个广泛区域的覆盖技术。( )
【简答题】Read the transcript again and try to use your own words to summarize what people suffered and are suffering. Write at least 120words.
【单选题】When I finished_______ the letter, it_______9 o'clock. [ ]
【判断题】包晶转变、共晶转变、共析转变都是恒温转变。( )
【简答题】RT-PCR(reverse transcript PCR)