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 correctword or phrase that best fits each of the numbered blanks.Water is of vital importance to all living things. Without it, all living things willsurely die. We also use a great ...(16) of water daily in our homes, in factories, andin power stations. Most of this water is fresh water and it comes to us from reservoirs, riversand lakes.The Earth's surface is (17)... by large areas of water which we call oceansand seas. If you have tasted the water from the sea, you will know that, unlike fresh water,seawater tastes salty. This is due to the (18) ...of sodium chloride which comesfrom the land. Rivers carry 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. Somecolors disappear quickly in the sea but blue light bounces back (trở lại bình thường), or isreflected, to the surface. This makes the sea look blue. (20)..., a stormy sky willmake the sea look grey.(Conquer Cloze — Judy Tilaka & Charles Xavier — SAP)