Scientists should always be （) in interpreting （解释) their results.

Scientists think that we should blame the virus of flu all on wild birds.

A．Y

B．N

C．NG

Scientists are certain that the sea level____rise in the next 200 years.

A. is going to

B. may

C. will

D. should

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

Which of the following is NOT included in the scientists' suggestions？

A．Farmers should use less insecticides.

B．Farmers should use a combination of two or three insecticides at once.

C．At certain times of the year, farmers should actually try to attract new insects onto the crops they are trying to protect.

D．Farmers should regularly spray crops as a precaution against problems that are caused by large numbers of pests.

To study animal emotions, scientists should

A．set up improved and refined skillful experiments.

B．analyze human emotional.

C．distinguish what is emotional and what is conditioned.

D．learn from animal behaviorists.

s should ______.

A．communicate more with the public

B．employ hi-tech means in research

C．feel no shame for their cause

D．strive to develop new cures

seek solutions to climate change.

A．Y

B．N

C．NG

ith us？ They may want to observe us only and ______ (不干涉) the development of our civilization."

Some people feel that apes should be given special treatment because ______.

A．they are genetically similar to humans

B．they can help find a cure for "mad cow" disease

C．they possess a consciousness superior to humans

D．they are treated poorly by scientists