六级It is difficult to find solid evidence to prove environmental friendliness generates more profits than exploiting the natural environment.

很难找到确凿的证据证明环保比开发自然环境能产生更多的利润。

2016年6月阅读原文

四级Behind the little barred windows were, more often than not, elderly gentlemen whose expression of friendliness reflected the size of the customer’s account, and nothing less than a few hundred thousand in the bank could have inspired the suggestion of a smile.

在小栅栏窗户后面，往往是年长的绅士，他们的友好表情反映了客户账户的规模，银行里只有几十万美元，这足以引起人们的微笑。

1992年1月大学英语四级(CET-4)真题

四级Behind the little barred windows were, more often than not, elderly gentlemen w hose expression of friendliness reflected the size of the customer’s account, and nothing less than a few hundred thousand in the bank could have inspired the suggestion of a smile.

在小栅栏窗户后面，往往是年长的绅士，他们友好的表情反映了客户账户的规模，银行里只有几十万美元，这足以引起人们的微笑。

1994年6月大学英语四级(CET-4)真题

四级Chains such as KFC, McDonald’s and Pizza Hut are setting a new standard of customer service, using strict employee training and constant monitoring to ensure the friendliness of frontline staff.

肯德基、麦当劳和必胜客等连锁店正在制定新的客户服务标准，通过严格的员工培训和持续的监控来确保一线员工的友好。

2003年1月大学英语四级(CET-4)真题

四级Researchers documented claims of environmental friendliness made by about 2,000 products and found many too vague or too misleading to meet ISO standards.

研究人员记录了大约2000种产品的环保声明，发现许多产品过于模糊或误导，无法达到ISO标准。

2005年6月大学英语四级(CET-4)真题

考研The casual friendliness of many Americans should be interpreted neither as superficial nor as artificial, but as the result of a historically developed cultural tradition.

许多美国人的随意友好既不应被解释为肤浅也不应被理解为做作，而是历史发展的文化传统的结果。

1997年全国攻读硕士学位研究生入学考试英语试题