A(13)1.Attention must be paid to the working temperature of the machine.应当注意机器的工作温度。2.An understanding of essential character of scientific investigation is best acquired from the study of a representative particular science.要了解科学研究最本质的特点,最好是对特定的典型学科进行研究。3.As we know, all matters consist of molecules, and molecules of atoms.众所周知,一切物质由分子组成,而分子由原子组成。4.All of this proves that we must have a profound study of properties of proteins.所有这一切证明,我们必须深入地研究蛋白质特性。5.A new kind of computer s