目前总体呈现出化石能源开采成本逐步（），清洁能源开采成本逐步（）的趋势。A、上升，上

阅读下列材料，从所给的六个选项(A、B、C、D、E和F)中，选出符合各小题要求的最佳选项，并把答案写在答题卡对应的位置上。选项中有一项为多余选项。选E同时涂黑A和B，选F同时涂黑C和D。

A. Intensive course at King’s Bournemouth, London and Oxford

Full-time, intensive course for adults with 28 lessons per week (21 hours) combining general English with communication skills or special interest options such as conversation, business English, English for academic purpose and exam preparation (IELTS/ Cambridge).

B. “Afternoon 20” economy course at King’s Bournemouth

Excellent low-cost course! Semi-intensive course for adults with 20 lessons per week (15 hours) covering all areas of general English including reading, writing, speaking, listening and pronunciation. Lessons take place in the afternoons.

C. IELTs course at King’s Oxford

King’s Oxford is one of the largest IELTS test centers in the UK, this highly intensive 2-week course offers excellent special preparation for the IELTS examination. This course may be booked individually or in combination with another course.

D. One-to-one lessons at King’s

A tailor-made course is to suit the individual requirements of the students. One-to- one tuition provide a very intensive form of study. The student determines not only the content (e.g. tourism, banking, insurance) but also the quantity and pace (intensity) of their English lessons. So whether you are a “fast learner” who needs to develop you language skill as quickly as possible or you want to study at a slower pace, this course is perfect for you as we design it to your wishes.

E.  Intensive business course at King’s Bournemouth and London

Highly intensive, full-time course for motivated students with 34 lessons per week (25.5 hours) combining general English with business English. This course is ideal for executive (管理人员) and professionals needing to revise and improve their business English and communication skills.

F.  Summer intensive course at King’s Bournemouth and London

International summer course for adults combining an intensive English language course with a programme of optional sports and activities. The lessons take place on 5 mornings plus one afternoon per week, covering all areas of general English and also offering students at higher levels a selection of special intensive interest modules including business English, IELTS and speaking and listening.

以下是几名学生的信息，请匹配他们与适合他们的课程。

小题1:Sara, whose husband works in a bank in London, came to London last week and will stay in London for a long time. What makes Sara embarrassed is that she doesn’t know English, so she wants to find a special course whose contents can be decided by her.

小题2:Cathy is from Korea and now she works in a bar in London. Because her English is not very good, she wants to find a course to improve her communication skills she’s only free in the afternoon.

小题3:Steve has finished the language school course in London and now he needs to take the IELTS test that is compulsory (必修的) for entering a university. He wants to take an IELTS training course.

小题4:Richard is a manager in a cooperative company in France. Next month he’ll be sent to work in the branch company in London. For his English still needs to be improved, he asked his secretary to find a course for him in London.

小题5:John is a university student in China and he plans to take post-graduate course in Britain after graduation. This summer vacation, he’d like to pay a visit to the UK to get a taste of the English learning there, meanwhile he wants to have some activities and sports.

检疫期确定是根据该传染病的( )

A．隔离期

B．传染期

C．最短潜伏期

D．最长潜伏期

E．平均潜伏期

自动喷水灭火系统管道穿过楼板时应加设套管，套管顶部应高出装饰地面（）mm；穿过卫生间或厨房楼板的套管，其顶部应高出装饰地面()mm，且套管底部应与楼板底面相平。

A、20；50

B、30；50

C、15；35

D、10；20

简述奥苏伯尔的有意义学习的条件。

下列属于硬盘性能指标的是（）

A.坏道

B.缓存

C.虚拟内存

D.点距