4. It is possible to find out if a person has adapted to the changes of routine by measuring his body temperature because ________.

　　A. body temperature changes when the cycle of sleep and wakefulness alternates

　　B. body temperature changes when he changes to night shift or back

　　C. the temperature reverses when the routine is changed.

　　D. people have higher temperature when they are working efficiently.

　　5. The phrase “coincide with”(Line 3, Para.1) could best be replaced by _______.

　　A. take place

　　B. agree with

　　C. accord to

　　D. take up

　　1. B 推理引申題。第二段中提到人適應(yīng)新習(xí)慣需要五天到一個(gè)禮拜的時(shí)間，但事實(shí)是工人的正常生活節(jié)奏經(jīng)常處于被擾亂的狀態(tài)，使工作和睡眠效率不佳。所以，正確答案為B。

　　2. A 事實(shí)細(xì)節(jié)題。根據(jù)第三段第一句“The only real solution appears…night workers”

　　3. A 事實(shí)細(xì)節(jié)題。最后一段提到“…by taking body temperature…can be seen how quickly a person can adapt to a reversed routine”。

　　4. C 推理引申題。最后一段指出體溫與人處于醒著的狀態(tài)還是睡眠狀態(tài)的關(guān)系，只有C與原文相符。

　　5. B 詞意猜測(cè)題。意思是“與……一致”。