使用1:32稀释液对细菌、病毒、结核菌等都有杀灭作用的是E．
The pesticides and the smell of manure are mentioned to ______.
A. explain why newcomers complain to the council.
B. introduce the place in which cowboys live.
C. explain why smaller players become victims.
D. explain why cattlemen are moving out to remoter parts of the state.
It can be inferred from the last paragraph that ______.
A. the House and Senate are furious with Mr. Bush on behalf of the scientists.
B. research based on adult stem cells must be more promising than embryonic ones.
C. many countries, except America, are keen on experimenting embryonic stem cells.
D. the UK is enthusiastic about experimenting on adult stem cells.
Scientists can go on the stem cell research because ______.
A. scientists spurn the government and Mr. Bush's veto.
B. other countriesare enthusiastically experimenting on embryonic stem cells.
C. Mr. Bush's veto does not stop stem cell research completely.
D. all the scientists in America are furious with Mr. Bush.
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