【判断题】含有机体所需的一切营养素和热量的饮食结构就是幼儿合理的营养 。
【单选题】The examples of the Challenger and Chernobyl cited by the author serve to show that ______.
A.
if not given close examination, technology could be used to destroy our word
B.
technology is a human creation, so we are responsible for it
C.
technology usually goes wrong, if not controlled by man
D.
being a human creation, technology is liable to error
【单选题】Why does the professor mention VISA and American Express?
A.
To show examples of store credit cards.
B.
To show examples of credit companies.
C.
To show advantages of credit cards.
D.
To show disadvantages of credit cards.
【单选题】某药厂生产板蓝根颗粒成品400件,若要取样进行成品检验,取样人员应该取多少件( )
【判断题】新民主主义革命理论是对中国革命与建设实践经验的概括和总结。
【判断题】水产品菌落总数测定的培养温度是30°C。
【判断题】含有机体所需的一切营养素和热量的饮食结构就足幼儿合理的营养。
【判断题】当局部构造比较复杂时,可以用局部剖切的方法表示其内部构造。