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Water is of vital importance to all living things...

Câu hỏi: Read the following passage and mark the letter A, B, C, or D on your answer sheet to choose the word or phrase that best fits each of the numbered blanks from 34 to 38.
Water is of vital importance to all living things. Without it, all living things will surely die. We also use a great (34) ________ 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 Earths surface is (35) ________ 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 tastes salty. This is due to the (36) ________ of sodium chloride which comes from the land. Rivers carry it to the sea.
Although neither salt nor fresh water has any color, the sea often looks blue in the sunlight. The reason is (37) ________ sunlight is made up of many colors. Some colors disappear quickly in the sea but blue light bounces back or is reflected, to the surface. This makes the sea look blue. (38) ________ , a stormy sky will make the sea look grey.
The word or phrase which best fits the gap (35) is...
A. covered
B. reserved
C. constructed
D. included
Kiến thức: Từ vựng
Giải thích:
A. Cover (v): bao phủ
B. reserve (v): dự trữ, để dành
C. construct (v): xây dựng
D. include (v): bao gồm
Ta có: be covered: được/bị bao phủ

The Earth's surface is covered by large areas of water which we call oceans and seas
Tạm dịch: Bề mặt Trái đất được bao phủ bởi những vùng nước rộng lớn mà chúng ta gọi là đại dương và biển.
Đáp án A.