【单选题】视听说基础课程2-作业 4.mp3: How did Brooke feel on the first day of her new job?
A.
nervous and didn't know what to do.
B.
nervous and know what to do.
C.
excited and know a lot about the job.
D.
excited and indifferent
【多选题】下列关于太阳的叙述,正确的是 ( )
D.
太阳大气层从外到里依次为日冕、色球、光球三层
【单选题】下列关于太阳的叙述正确的是
A.
太阳大气由里向外依次可分为色球层、光球层、日冕层
C.
太阳活动强弱的标志是色球层上黑子的多少和大小
【简答题】下列关于太阳大气的叙述,正确的是( )。
【单选题】视听说基础课程2-作业3.mp3: What do Okinawans eat? Choose one that is not mentioned in the passage.
【单选题】下列关于太阳的叙述,正确的是 ( )
B.
太阳表面温度达300万K c.太阳内部核聚变反应,是由两个氢原子核聚变成一个氦原子核的过程 D.太阳在形成至今的50亿年中,因核聚变反应而消耗的质量,只占太阳总质量的O.3%
【判断题】视听说基础课程2-作业2.mp3: The woman is waving to her friend.