题目内容
（请给出正确答案）
A．They attack human beings.
B．We need to study native animals.
C．They can't live out of the rain forest.
D．We do not know much about them yet.
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更多“A．They attack human beings.B．W…”相关的问题
A．They eat or spoil crops.
B．They attack birds and animals.
C．They destroy dams and buildings.
D．They carry diseases.
A．conform
B．conflict
C．contradict
D．confirm
By the second sentence of Paragraph 2, the author means to show that ______.
A．pigs attack human beings more frequently than sharks
B．people get hurt much more easily in a car accident
C．people get killed more easily by pigs or car accident than by sharks
D．sharks rarely kill human beings when they are not provoked to do so
A．They can buzz in to kill.
B．They can hear the dry plants' cries.
C．They can imitate the plants' crying.
D．They can attack healthy plants in dry, hot weather.
Why does the author give the example of the terrorist attack on Sept.11？
A．To prove that human is at risk.
B．To demonstrate that mankind is more nervous than any other time.
C．To show that anxiety seldom reoccurs.
D．To indicate that anxiety is easy to arouse.
Lateral thinkers are different from vertical thinkers in that ______.
A．they tend to look into a situation from all different angles to work out a solution
B．they try to attack their problem in every possible way on the basis of the assumption that there must be a solution to the problem
C．they believe there is a solution to every problem and will examine the problem in different ways
D．they think careful and logical analysis is indispensable to the solution of a complicated problem
According to the passage, we need sharks because of the following except ______.
A．they are delicious food for us
B．they are companions of human beings
C．they can help rescue human beings
D．they can help improve human health
A．They would be killed by the human immune system.
B．They would die once brought to the surface.
C．Many precautions and remedies are available.
D．Drilling operations are always closely monitored.
What does the author think of the problems facing human beings？
A.They pose a serious challenge to future human existence.
B.They can be solved sooner or later with human ingenuity.
C.Their solutions need joint efforts of the public and private sectors.
D.They can only be solved by people with optimism and ambition.
What is the great advantage of robots over human workers？
A．They are much cheaper than humans.
B．They never complain about the difficulties.
C．They can handle all the problems of the job.
D．They can work for long periods without rest.
