题目

如图，扇子的圆心角为x°，余下扇形的圆心角为y°，x与y的比通常按黄金比来设计，这样的扇子外形比较美观，若黄金比取0.6，则x为（    ） A．144°   B．135°     C．136°     D．108°   A．    B．    C．    D． 答案：B  句型转换。根据语境在横线上填上适当的单词，使上下两句话含义一致。（每空一词）【1】He didn’t realize the importance of English until he began to work.→Not until he began to work ________ ________ ________ the importance of English.【2】The earthquake was so serious that the UN sent medical supplies to the area.→So serious ________ ________ ________ that the UN sent medical supplies to the area.【3】Though they were brave, the danger made them afraid.→Brave________ ________ ________, the danger made them afraid.【4】If you had told him the truth, he might have made some suggestions.→________ you ________ him the truth, he might have made some suggestions.【5】Jim had hardly entered the house when it began to rain.→Hardly ________ ________ ________ the house when it began to rain.【6】Some old men from the village were sitting at the back of the classroom.→Sitting at the back of the classroom ________ ________ ___________ _______ from the village.【7】A boy who dropped out of school lives in the dirty house.→In the dirty house ________ ________ ________ who dropped out of school.【8】I like working at night and I seldom go to bed until after midnight.→I like working at night and seldom ________ ________ ________ to bed until after midnight.【9】The days are gone when we played together free of worries.→Gone ________ ________ ________ when we played together free of worries.【10】I had no sooner stepped into the room than I heard a scream from the next door.→No sooner ________ ________ ________ into the room than I heard a scream from the next door.