Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Climate scientists have measured the temperature and________on every part of the Earth over many years.
A.rain level
B.rainfall
C.fall in rain
D.level of rain

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Many people think the money spent on protecting ___________ species should be used for improving the lives of the local residents.
A.endanger
B.dangerous
C.danger
D.endangered

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
I don’t have chance to see a lot of ______animals because I live in a big city.
A.wildlife
B.species
C.mammals
D.insects

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Many nations have laws offering protection to these species, such as forbidding hunting, restricting land development or creating _______.
 
A.agencies
B.challenges
C.awareness
D.reserves

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
The river around my village used to have the greastest__________ of freshwater fish in the country, but now very few species are found here.
A.diversified
B.various
C.diversity
D.variousness

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Living in warm waters, sea turtles_______hundreds of miles between their feeding grounds and the beaches where they nest and lay eggs.
A.migrate
B.swimming
C.migrating
D.swim

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
____________ is the existence of a wide variety of plant and animal species living in their natural environment.
A.Biodiversity
B.Conservation
C.Individual
D.Globe

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Small children and old adults are particularly________ to respiratory diseases in the cold weather.
A.vulnerable
B.invulnerable
C.infectious
D.infected

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
_______ is a branch of Natural Science, and is the study of living organisms and how they interact with their environment.
 
A.Biological
B.Biologically
C.Biology
D.Biologist

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Only a few of the many species at risk of extinction actually make it to the lists and obtain legal _______.
 
A.protector
B.protect
C.protection
D.protective