10 CÂU HỎI
Native species _______.
A. are not used to the local environment
B. never get along well with other native species in the same environment
C. tend to do harm to exotic species
D. have been part of a given biological landscape for a long period
Exotic species _______.
A. do no harm to native species and the local environment
B. may kill native species for food
C. always share the environment peacefully with native species
D. help to make the local environment more ideal to survive
According to the first paragraph, _______.
A. non-native species have caused badly damage to native ones
B. introducing new exotic species to local environments is necessary
C. exotic species have never been introduced on islands
D. very few native species have been damaged by exotic species
According to the second paragraph, by the middle of the 20th century ___.
A. whale population was the most crowded in marine life
B. whale hunting was illegal
C. whale population increased dramatically
D. whaling was not restricted
Tiger bone and rhino horn _______.
A. are not popular in Asian markets
B. are never in the trade of animal parts
C. are used for making traditional medicines
D. cannot be found in As
The reading passage is mainly about __________.
A. how animals communicate with humans
B. one woman's successful experiment to communicate with a bird
C. how parrots are smarter than other animals
D. how Irene Pepperberg proved her fellow scientists wrong
According to the reading, other scientists believed that animals ________.
A. could only communicate in nature
B. had the ability to communicate with pet owners
C. could communicate if they were programmed to do so
D. didn't have the ability to think
In paragraph 3, "deliberately" is closest in meaning to _______.
A. naturally
B. intentionally
C. cleverly
D. honestly
The word "them" in paragraph 2 refers to ________.
A. animals
B. scientists
C. pet owners
D. things
Which of the following is NOT true about Irene's parrot Alex?
A. He learned to use almost 150 English words.
B. He could label a number of objects.
C. He was able to have complicated conversations.
D. He could understand how one object was different from others.
