1.[单选题]In the author's opinion ___________.
A.since people can lie, the problem about the rights of scientists can't be solved
B.animal-protecting organizations should be held responsible for acts of violence against scientists
C.animal protection organizations should be declared illegal
D.the scientists should take effective measures to protect themselves
2.[单选题]What does the underlined word"they" in paragraph 3 refers to?
A.The organizations that will talk with research community.
B.The animal-protecting organizations.
C.Those who support the use of animals in research.
D.Those who support the animal-protecting organizations.
3.[单选题]The underlined words "these developments" in paragraph 2 most probably refer to _________.
A.the acts of violence against scientists
B.the use of animals in research
C.the techniques of planting bombs in cars
D.the establishment of new animal protection organizations
4.[单选题]The author's purpose in writing this article is to demand that animal-protecting Organizations __________.
A.declare their objectives clearly
B.give up the use of violence
C.continue the dialogue with the scientific community
D.help to find those responsible for the attempted murder
5.[单选题]What does the author think will likely happen to the car-bomb planting terrorists?
A.They will soon be arrested and severely punished.
B.The police will have great difficulty catching them.
C.They will escape overseas with the help of their organizations.
D.The police are unlikely to continue their efforts to identify them.