1.Changing from solid to liquid，water takes in heat from all substances near it，and this_______  produces artificial cold surrounding it.［2006年真题］

A. absorption                B. transition

C. consumption            D. interaction

2. United Nations officials warned：“When children lack water that is fit for drinking and sanitation，virtually every aspect of their health and development is _______．”［2002年真题］

A． at a loss                  B． at all costs

C． at worst                  D． at risk

3.The new automobile factory is expected to _______ around 30，000 to 50，000 vehicles annually in the first three years.［2005年真题］

A. assemble                   B. service

C. supply                       D. repair

4. In the Chinese mind the Spring Festival is _______with nice food and new clothes.［2005年真题］

A. joined                        B. related

C. linked                        D. associated

5.You  _______ his innocence before hearing the evidence against it.［2000年真题］

A. confirm                       B. assume

C. believe                        D. convince

【答案解析】

1.［D］水从固体变成液体，吸收所有在它周围物质的热量，这种相互作用产生了人工制冷。absorption吸收；transition转变，过渡，转调consumption消耗，消费；interaction相互作用

2.［D］联合国官员警告：“一旦孩子缺少合适的饮用和卫生用水，他们健康成长的每一方面都会受到威胁。”

3.［A］人们期待这家新的汽车制造厂在前三年每年能生产30000~50000辆车。

4.［D］在中国人的意识中，春节是和美食、新衣服紧密相连的。

5.［B］在听到不利于他的证据之前，假定他是无辜的。convince多用于convince sb of sth 或convince that；confirm 指确定；believe in 相信.

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