[单项选择]It took western companies many years to ______ from the oil crisis of the mid-70s.
A. regain
B. recover
C. retain
D. refresh

[单项选择]It took western companies many years to ______ from the oil crisis of the mid-70s.
A. regain
B. recover
C. retain
D. refresh

[单项选择]During these ten years, many new methods have been ______ in the field of foreign language teaching.


A. adopted
B. adapted
C. alarmed
D. aided

[单项选择]After using the device two years, many Seton nurses ______.
A. still hate the locator badges
B. have gone on strike
C. are still protesting
D. now like them

[单项选择]It is ______.that has attracted so many people from Eastern Europe to Britain to find their job there


A. state benefits
B. worker-registration scheme
C. the prospect of work
D. unmentioned in the article

[单项选择]The fragrances of many natural substances come from oils, （） these oils may be used in manufacturing perfumes.
A. of
B. whether
C. from
D. and

[单项选择]Many meteorites are thought to have originated from _____ that once existed between the orbits of Mars and Jupiter.
A. ( where a planet or planets
B. ( a planet or planets so
C. ( which a planet or planets
D. ( a planet or planets

[单项选择]

Passage 5
Geniuses took at problems in many different ways. Genius often comes from finding a new perspective that no one else has taken, Leonardo da Vinci believed that, to gain knowledge about the form of a problem, you begin by learning how to restructure it in many different ways. He felt that the first way he looked at a problem was too biased toward his usual way of seeing things. He would restructure his problem by looking at it from one perspective and move to another perspective and still another. With each move, his understanding would deepen and he would begin to understand the essence of the problem.
Geniuses make their thought Visible. The explosion of creativity in the Renaissance was intimately tied to the recording and conveying of vast knowledge in drawings, graphs, and diagrams, as in the renowned diagrams of da Vinci and Galileo. Galileo revolutionized science by making his thought graphically visible while his contemporaries used only co
A. were often used to aid scientific researches
B. served as sources of fresh ideas for some scientists
C. could provide scientists with an immense quantity of knowledge
D. were necessary for the expression of creative ideas

[单项选择]The book took ten years of thorough research.
A. basic
B. careful
C. social
D. major

[单项选择]During the past years, most working women took vacation ______ .


A. by car
B. by bike
C. by air
D. on foot

[单项选择]Years ago, many of the machines were operated ______ but now they are operated by computers.


A. manually
B. artificially
C. automatically
D. synthetically

[单项选择]It took him ten years to fulfill his goal.
A. start
B. achieve
C. improve
D. finish