问题
选择题
.
The doctor insisted that only by this ______ could the patient survive in the operation.
A.way
B.method
C.means
D.meaning
答案
答案:C
.
The doctor insisted that only by this ______ could the patient survive in the operation.
A.way
B.method
C.means
D.meaning
答案:C
为了研究物质的特性,小刚同学取了四块金属来做实验,实验时他用天平和量筒分别测出它们的质量和体积,所测得的实验数据如下表所示:
实验次数 | 物质 | 质量m/g | 体积v/cm3 | |
1 | 铁 | 31.6 | 4 | |
2 | 铁 | 63.2 | 8 | |
3 | 铝 | 10.8 | 4 | |
4 | 铝 | 21.6 | 8 |
(2)经过对表中第一行与第三行(或第二行与第四行)的数据分析,可归纳出的实验结论是______.
(3)为了进一步研究物质的这种特性,该同学还应设计和增加表中第五列的项目,它是______.