题目内容

Taxis outside hotels are usually safer,but more_______ for the day hires,which charge more than the passing ones.

A. pleasantB.attractiveC. expensiveD. efficient

 

C

【解析】

试题分析:形容词辨析。A令人愉悦的;B有吸引力的;C昂贵的;D高效的;句意:宾馆外的出租车通常更安全,但是白天做出租车更昂贵,它们的收费要高过路过的出租车。根据which charge more than the passing ones.说明C正确。

考点:考察形容词辨析

 

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Will online courses transform world of education?

Some may wonder what it feels like to attend a class at Stanford University. The recently popular MOOCs (Massive Open Online Courses) can satisfy this desire. But they are also most likely to change the situation of higher education. Only last month,both Peking University and Tsinghua University announced plans to start open online course on the edX platform,one of the world’s major providers of MOOCs,to explore this new form of online education.

Gaining momentum(势头)

“It’s not only a change of platforms from offline to online. It’s more about a reform of

teaching methods,even the whole education system,”said Chen Jining,president of Tsinghua University.

The potential of MOOCs to reform education has been obvious in the US ever since the immediate popularity of the course Artificial Intelligence,taught by Stanford University professor Sebastian Thrun, who later co-founded Udacity, a platform with 1.6 million enrolled(注册) students in 200 countries. According to Nature magazine,by June 2013,74 percent of universities in the US offered some type of online course. Lu Fang, vice-president of Fudan University,explains the appeal of MOOCs as a simple case of supply and demand:“The demand for high quality educational resources from both enrolled students and professionals is feeding the rise of MOOCs,in which classes usually taught by top teachers are available to everyone,”said Lu.

Too early to replace

With easy access and free of charge, MOOCs are said to have the potential to change the present education system. But there are barriers,because hardly any universities offer degree certificates, as college administrators point out, it’s difficult to confirm if students are foaming anything in MOOCs,reposed USA Today.

The Wall Street Journal also reposed that,presently,a typical MOOC student is likely to have

already graduated from college and is using the course to explore an interest or acquire professional

skills. Even so, an increasing number of undergraduates are signing up.

“What we are really establishing(创建)are educational pathways for people who want skills that are related to contemporary jobs,”Thrun told The Wall Street Journal.

1.MOOCs have been considered likely to reform education since___________.

A.the founding of Udacity

B.the wide application of online education

C.the popularity of the course Artificial Intelligence

D.the opening of MOOCs on the edX platform in China

2.According to Lu Fang, MOOCs have become popular because___________.

A.high quality educational resources are in demand

B.students can attend courses in famous universities

C.college students have access to famous teachers

D.MOOCs have brought about revolution in education

3.What can we learn from the passage?

A.Most of the MOOCs focus on professional training for college graduates.

B.There are barriers for MOOCs to replace the present education system.

C.International companies prefer applicants who graduate from MOOCs.

D.More and more undergraduates have realized the limits of MOOCs.

4.The author’s attitude towards MOOCs is___________.

A.doubtful B.negative C.critical D.optimistic

 

PERTH—Search crews will send a submarine(潜航器)deep into the Indian Ocean on Monday for the first time to try to determine whether signals detected by sound-locating equipment are from the missing Malaysian plane's black boxes, the Australian head of the search said.

Angus Houst on said the crew on board the Ocean Shield will send the underwater vehicle sometime Monday evening. The Bluefin 21 submarine can create a sonar(声呐)map of the area to chartany wreckage(残骸)on the seafloor.

The move comes after crews picked up a series of underwater sounds over the past two weeks that were consistent with an aircraft's black boxes.

“We haven’t had a single detection in six days, and l guess it’s time to go under water,” said Houston.

“Analysis of the four signals has reduced the search area on the ocean floor. The experts have therefore determined that the Australian Defense Vessel Ocean Shield will stop searching with the Towed Pinger Locator(拖曳声波定位仪)later today and use the underwater vehicle Bluefin 21 as soon as possible," he said at a news conference in Perth.

But Houston warned the switch to the submarine will not automatically "result in the detection of the aircraft wreckage. It may not.”

He said the submarine will take 24 hours to do each task, including two hours to dive, 16 hours to search the bottom, then two more hours hack up and four hours to download data.

Recovering the plane's flight data and cockpit(飞行员座舱)voice recorders is necessary For investigators to try to figure out what happened to Flight 370, which disappeared on March 8.

Houston said the search using the submarine will be a slaw and painstaking process.

The submarine takes six times longer to cover the same area as the pinger locator,and will need about six weeks to two months to examine the present underwater zone. The signals are also coming from 4,500 meters (15,000 feet) below the surface, which is the deepest the submarine can dive.

1.The submarine will be sent deep into the Indian Ocean on Monday to _____ .

A. create a sonar trap of the area

B. pick up underwater sounds

C. see if the signals detected are from the target black boxes

D. reduce the search area on the ocean floor

2.According to the passage, the submarine_______ .

A. will download data of the black boxes

B. can find the aircraft wreckage within 24 hours

C. will recover the plane's flight data and voice recorder

D. can dive to a depth of no more than 4,500 meters

3.The underlined sentences in the passage indicate that______.

A. the switch of the submarine may not function properly

B. the Ocean Shield will switch to submarine when it is necessary

C. the submarine will detect the wreckage of the plane automatically

D. the detection of the wreckage can't be guaranteed by using the submarine

4.The search will be a slow and painstaking process, mainly because _____ .

A. the underwater sounds were consistent with an aircraft's black boxes

B. the submarine travels slowly and the ocean is deep

C. they haven't had a single detection in six days

D. Ocean Shield stops searching wine the towed pinger locator

 

假设你将作为光明中学高三毕业生代表,请根据以下要点在毕业晚会上用英文作一个告别演讲:

1.感谢家人,朋友和老师。特别举例感谢某个老师(不用真名,一律使用Mr. Wang, 并写出原因。

2.回顾高中三年的生活。列举出你印象深刻的活动。3. 展望未来。

注意:开头与结尾已经给出,所写部分120字左右。

Dear teachers, families and graduates, welcome and thank you for joining us tonight at Guangming High School graduation ceremony for the Class of 2014!

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