Now Europe is reforming the rules governing animal experiments by restricting the number of animals used in labs.Alternatives to animal testing，such as using human tissue or computer models，are now strongly recommended.In addition，sharing all research results freely should help to reduce the number of animals for scientific use.At present，scientists often share only the results of successful experiments.If their findings do not fit the hypothesis being tested，the work never sees the light of day.This practice means wasting time，money，and animals’ lives in endlessly repeating the failed experiments.

　　Animal experimentation has taught humanity a great deal and saved countless lives.It needs to continue，even if that means animals sometimes suffer.Europe’s new measures should eventually both reduce the number of animals used in experiments and improve the way in which scientific research is conducted.

　　1．What is the main idea of this passage?

　　A．The success of animal experiments should be ensured.

　　B．A ban on the use of animals in the lab should be enforced.

　　C．Greater efforts need to be taken to reduce the number of lab animals.

　　D．Scientists should be required to share their research results with each other.

　　2．Which of the following statements is true about animals used in the lab?

　　A．America uses only about 1.1 million lab animals per year.

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