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1. ______________(除非你和保险公司签订货物保险合同)，you are not entitled to a repayment for the goods damaged in delivery. 2. ______________(据报道，这个地方卫生组织25年前就成立了)when Dr. Mark became its first president. 3. Mrs. Smith shut the window lest ______________(外面的噪音会影响她儿子的睡眠). 4. The new mayor was charged ______________(未能履行他降低通货膨胀率的承诺). 5. _____________(每当遇到这类问题时，我的大脑就一片空白)，and I can hardly remember my own date of birth. 答案解析 1. Unless you sign a contract with the insurance company for your goods 解析：本题考查对连词unless用法的掌握。unless表示除非否则，相当于ifnot，常用于引导条件状语从句。 2. It is reported that the local health organization was established 25 years ago/The local health organization is reported to have been established 25 years ago 解析：本题考查形式主语it及被动语态的用法。It is reported that意为据报道，it为形式主语，后面的that从句为句子的真正主语，表示卫生组织成立应该用被动语态。另外，本句也可以直接用报道的对象the local health organization充当主语，原来从句中的谓语动词转换成相应的不定式的完成式。 | 
