【单选题】Each person's fingerprint is unique, ________ it an ideal identification tool. [ ]
【简答题】根据对话内容,在空白处填写适当的话语(话语可能是一个句子,也可能是一个短语或一个词),使对话完整。 A: Good morning, Lin Tao. The summer holidays will begin. Where are you going to 1 your summer holidays? B: In Dalian. A: In Dalian? What are you goin...
【简答题】When several different people look at the same person,it's not unusual for each of them to see different things;when you alone observe one behavior or one person at two different times,you may see dif...
【单选题】关于初乳的特点错误的是
B.
初乳含蛋白质、矿物质、脂肪比成熟乳多,故较稠。
【简答题】Each person’s fingerprints are _____.
【单选题】In 1900, the world's use of paper was about ______ for each person in a year.