WHICH CAN BE THE BEST TITLE FOR THE PASSAGE

15. Which can be the best title for the passage?A. Bicycle C. Best means of transportB. Tour-de-France D. The invention of bicycleRead the following passage and mark the letter A, B, C, or D to indicate the correct word orphrase that best fits each of the numbered blanks.Water is of vital importance to all living things. Without it, all living things will surely die.We also use a great ...(16) of water daily in our homes, in factories, and in power stations.Most of this water is fresh water and it comes to us from reservoirs, rivers and lakes.The Earth's surface is (17)... by large areas of water which we call oceans and seas.If you have tasted the water from the sea, you will know that, unlike fresh water, seawater tastessalty. This is due to the (18) ...of sodium chloride which comes from the land. Riverscarry it to the sea.Although neither salt nor fresh water has any color, the sea often looks blue (19) ...the sunlight. The reason is that sunlight is made up of many colors. Some colors disappear quickly inthe sea but blue light bounces back (trở lại bình thường), or is reflected, to the surface. This makesthe sea look blue. (20)..., a stormy sky will make the sea look grey.(Conquer Cloze — Judy Tilaka & Charles Xavier — SAP)