GRE阅读难度较高，小编为大家带来GRE阅读：模拟试题练习2及参考答案，希望对大家GRE备考有所帮助。 GRE阅读：模拟试题练习2及参考答案 8.People whose bodies cannot produce the substance cytochrome P450 are three times as likely to develop Parkinson's disease, a disease that affects the brain,as are people whose...