【简答题】Audio Track 3-3-1.mp3:
【多选题】Exercise B. Listen again. Check (√) the topics that the speaker mentions. Audio Track 3-1-11.mp3:
A.
the cost of solo travel
B.
the dangers of traveling alone
D.
using your vacation to learn a sport
E.
packing for a trip alone
F.
options for solo travelers
【判断题】Audio Track 2-1-9.mp3: Most high schools in the US publish yearbooks.
【简答题】Audio Track 3-3-1.mp3:
【单选题】关于转录因子的描述,正确的是
B.
转录因子都通过蛋白质-蛋白质相互作用来发挥作用
【单选题】Audio Track 2-1-9.mp3: When is the yearbook printed?
A.
at the end of the year
B.
at the beginning of the year
【单选题】listen to the following famous people talk about the right personnality needed for success.then decide which things are important for an actor. Audio Track 1-3-8.mp3:
【单选题】关于转录调节因子叙述错误的是( )
A.
所有转录因子结构均含有DNA结合域和转录激活域
B.
有些转录因子结构可能含有DNA结合域或转录激活域
C.
转录因子调节作用是DNA依赖的或DNA非依赖的
D.
通过DNA-蛋白质或蛋白质-蛋白质相互作用发挥作用