Fill in each numbered blank with one suitable word or phrase style="text-align: justify;"> Human beings (Question 41) ____ to protect only the beautiful and non-threatening parts of our environment. We tend to pay more (Question 42) ____ to animals on land than (Question 43) ____ other large sea animals. Environmentalists have not done (Question 44) ____ to help save the Pacific Ocean sharks (Question 45) ____ population has decreased nearly to the (Question 46) ____ of extinction. Sharks are (Question 47) ___ the oldest creatures on Earth, (Question 48) _____ in the seas for more than 350 million years. The fact that they have managed to live in the oceans for so many millions of years is enough proofs of their efficiency and adaptability to change environments. It is time (Question 49) ___ human beings to begin considering the protection of sharks as (Question 50) ____ important part of a program for protection of our natural environment. style="text-align: justify;">Question 41:
4
câu trả lời
