课文填空 （共8小题，每题0.5分，共4分）

小题1:Science is my most challenging subject as my students ________________doing experiments.

小题2:We walked two and a half hours to get there—first up a mountain to _________________ we had fantastic views …

小题3:She walked down the platform to catch the train to New York __________________.

小题4:Realizing that this was no ordinary fish, the fisherman _________________ to damage it in any way.

小题5:He __________________ political life and has gone abroad.

小题6:All those __________________ towards the gift will sign their names in a large album which will be sent to the headmaster’s home.

小题7:Such creatures _____________________by man as they live at a depth of six hundred feet.

小题8:It is____________________ the day before his retirement, Mr Page will have been teaching for a total of forty years.

戒断症状是指()

A．停止使用药物后所出现的特殊心理生理症状群

B．减少使用药物后所出现的特殊心理生理症状群

C．增加使用剂量后所出现的特殊心理生理症状群

D．换用其他药物后所出现的特殊心理生理症状群

E．使用拮抗剂占据受体后所出现的特殊心理生理症状群