1.You will remember that the materials which combine to make a mixture do not completely lose their individual qualities.They do not do so because their molecules are not broken up and built into new molecules with new qualities.
你们要记住,组成混合物的各种物质完全没有失去它们各自的性质。它们之所以这样,是因为它们的分子并没有分解,没有形成具有新性质的新分子。(不定式短语to make a mixture是谓语combine的结果状语。)
2.The moon's pull causes water in the oceans to be a little deeper at the point closest to the moon and also at a point farthest from themoon,on the oppositeside of the earth.
月球的引力会引起近月点处和地球另一端的远月点处海洋的海水略深一些。(cause sth.To do sb,“引起……作……”。to be alittle deeper...作water宾语补足语。)
3. It is also a familiar fact that a force is required to slow down or stop a body which is already in motion,and that a sidewise force must be exerted on a moving body to deviate it from a straight line.
4.Though only l07 elements have been discovered,they combine in enough different ways to make the millions and millions of different things in the world.
5.Since we have already associated flow of charge or current with the existence of potential difference,it becomes of interest and importance to establish a quantitative relation between these two quantities.
6.Apart from the enormous outflow of funds from the oil-consuming countries,a more basic concern is the capability of the major exporters of crude oil to achieve a continuing production target roughly doubling output every tenyears to meet the required oil demand if present trend continues.