-
题目：
未知类型
A.批量成本
B.运输成本
C.材料成本
D.开发制造成本
答案：
<查看本题扣1积分>
-
内伤头痛的主要病位在（）
-
消防水箱与生活水箱合用，水箱应储存（）分钟消防用水量。
-
请扼要写出碳水化合物的降解过程？
-
哪些细胞器带有自身的基因组？为什么这些细胞器带有自身的基因组？
-
电脑在分析某些数据参数时，不仅要考虑传感器的数值，而且要判断其响应的速率，以获得最佳的效果。（）
-
堤身隐患包括（）。
-
Artist, scientist and entrepreneur are what most of us have known some or a lot about.【C1】______people would be surprised if somebody is perfectly good at one or two of these professions,【C2】______a hat-trick(帽子戏法)is quite rare. Man-kit Lam, now【C3】______in Hong Kong, in his 50s is the inventor of "special painting style", an accomplished【C4】______professor and biologist, and a rising key man with businesses in【C5】______the United States and Hong Kong. But Lam is most【C6】______as an artist, which is his passion(热望)since childhood. Lam was born in Chaoyang in South Chinas Guangdong Province and【C7】______with his family to Hong Kong【C8】______he was a child. A strong art lover, Lam displayed unusual artistic talents when he studied traditional Chinese ink painting【C9】______experienced and artistic Johnson Chou, Zhao Shaoang and Yang Shanshen in his【C10】______years. When he graduated from middle school, Lam asked his【C11】______to let him study art in college. They strongly objected, fearing that it would be too【C12】______for him to survive as a professional artist. "So I chose to study mathematics in college because it seemed to be the【C13】______to learn," Lam said. "To study【C14】______, you had to write papers. To study physics or biology, you【C15】______conduct experiments. But to study mathe matics, you only had to understand. " The young man had not【C16】______that he had special ability in science. After only six years of study in Canada, Lam got a bachelors degree in mathematics, a masters degree【C17】______physics and a doctorate in biophysics, the latter from the University of Toronto. In 1977, Lam went to the Baylor College of Medicine in Houston as an associate professor of ophthalmology(眼科学). In 1980, Lam was【C18】______to be the founding director of the Hong Kong Institute of Biotechnology, thus beginning his frequent shuttles(往返)between the United States and Hong Kong. In 1993, Lam【C19】______the Life Tech Group of Companies in the United States to develop, manufacture and market healthcare products. After Hong Kongs【C20】______to the motherland, Lam moved the headquarters of life Tech Group to Hong Kong and has lived there ever since.【C1】A．SomeB．ManyC．FewD．Lots of
-
信用证受到买卖合同的约束。()
-
精炼炉渣流动性差会产生不良后果有（）。
-
在选用汽车制动液时，在车速不高的平原地区，除冬季外，可使用（）级制动液。