German and Italian courses are held in Munich and Rome()
A. relatively
B. reluctantly
C. respectively
D. relevantly
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先进能源材料是指实现新能源的转化和利用发展新能源技术中所要用到的关键材料,下列属于先进能源材料的是()。
A. 锂离子电池
B. 全固态电池
C. 热电器件
D. 压电器件
You must take the()steps by yourself; after you have begun, I will help you.
A. primitive
B. preliminary
C. primary
D. practicable
光合作用研究是一项在农业上具有基础性、前瞻性和战略性的任务,需要关注以下研究内容:()。
A. 加快探索提高光能转化调控和遗传控制规律;
B. 挖掘提高光能利用效率的关键基因;
C. 提出提高光合效率形成新思想和新手段;
D. 利用化学或生物手段人工合成高性能的人造叶绿素。
As he was the only person who has the key, Simon felt himself()suspicion.
A. under
B. in
C. beyond
D. upon