______in a simple style, the book clearly describes the author's childhood experiences in
A. Writing
B. To be written
C. Being written
D. Written
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《建设工程质量管理条例》规定，电气管线、给水排水管道、设备安装工程保修期为()。
A. 10个月
B. 18个月
C. 1年
D. 2年
是以集中的高速电子轰击工件表面所产生的热能进行焊接的方法。
A. 激光焊
B. 电子束焊
C. 电阻焊
D. 等离子弧焊
The parents were much kinder to their youngest child than they were to the other, ______,
A. which
B. that
C. what
D. who
How many years did it take to complete the connection of recordings？
A. 26 years.
B. 33 years.
C. 44 years.
D. 57 years.
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