While the development of the suburbs has created problems, it has also provided() modern housing for millions of people.
A. excessive
B. immense
C. memorable
D. substantia
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Shaking hands when people meet each other for the first time is practiced as a()way of greeting.
A. conventional
B. conservative
C. constant
D. convenient
German and Italian courses are held in Munich and Rome()
A. relatively
B. reluctantly
C. respectively
D. relevantly
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