Which of the following may best express the chief purpose of the last paragraph？
A. To explain the difficulties in tracing the pathways for long-established species.
B. To describe the events usually leading to the detection of a non-indigenous species.
C. To identify the problems in assessing the weight of entry tracks for foreign species
D. To discuss the role of time lags and geographic expansion of species in species detection.
查看答案
What is the message of this article？
A person becomes more intelligent when he receives more education.
B. A person who scores high on an aptitude test is also smart on other matters.
C. Intelligence test is relative because it takes different forms in different situations.
D. A person who scores low on an aptitude test is unlikely to be able to repair a car.
The "mathematically inept" underlined in Paragraph 2 most probably means showing ______.
A. an early hint of ability in mathematics
B. an inborn ability in mathematics
C. a slow-mindedness in mathematics
D. a quick-mindedness in mathematics
The word "weird" underlined in Paragraph 3 can be replaced by ______.
A. indispensable
B. adoptable
C. applicable
D. incredible
Why did the professional conduct committee delay its heating of the case under question？
A. Because the committee said it had been too busy then.
Because the doctor said that he had hurt his back.
C. Because the doctor was too busy with his NHS to his patients.
D. Because the committee was different on the doctor's behavior.
微信支付 
支付宝支付