[单项选择]Oil shales, (which may) furnish a (significantly) fraction of the world’s future energy, vary in richness, (yielding) from four to fifty percent oil (by weight).

[单项选择]Judging from context, which party may be affected most badly by the steel tariffs

[单项选择]Which word may best describe the two speakers' positions on intermarriage


A. Comparison.
B. Causality.
C. Bias.
D. Contrast.

[单项选择]In which place may the visitors do more shopping according to the text

[单项选择]In Para 1, which one may NOT be the author's idea of Abram Petrovich Gannibal

[多项选择]

Variable appearance，which may include discoid pieces，up to 10 cm in diameter and 1 to 5 cm in thickness，cylingrical pieces，oval to round or plano--convex pieces．Rhubarb may appear in（）

A. 圆盘形
B. 圆柱形
C. 圆凸形
D. 卵圆形
E. 多角形

[单项选择]Which factor that may influence your job interview is repeatedly emphasised in the passage


A. Your confidence.
B. Your personal ability.
C. Your familiarity with the company.
D. Your skills in answering questions.

[单项选择]Which sleeping position may decide your personality

[单项选择]Which region has the largest oil （）
A. Africa.
B. China
C. Australia.
D. The Middle East.

[单项选择]Which may be one of the reasons for the success of computer fictions


A. Computers are cleverer than human writers.
B. People can easily read stories on computers.
C. People are curious about the stories written by computers.
D. Computer fictions have literary value.

[单项选择]

Smoking, which may be a pleasure for some people, is a serious source of discomfort for their fellows. (21) ,medical authorities express their concern about the effect of smoking (22) the health not only of those who smoke but also of those who do not. In fact, non-smokers who must involuntarily inhale (吸入) the air (23) by tobacco smoke may suffer more than the smokers (24) ．
Smoking is prohibited in the theatres and in the halls used for showing films (25) in laboratories (26) there may be a fire hazard (危险). Elsewhere, it is up to your good (27) ．
I am (28) asking you to maintain "No-Smoking" in classrooms and seminar rooms. This will prove that you have the (29) health in mind, which is very important to a large (30) of our students.

22（）
A. feeling
B. sense
C. realize
D. think

[单项选择]A passion for the theatre which may demonstrate all the ways of life can be a fairly satisfying ________ for life.


A. substance
B. imitation
C. repetition
D. substitute

[单项选择]According to the passage, which may be the best title
A. Storing Used Nuclear Fuel
B. Dealing with Nuclear Waste
C. Renewable Nuclear Power
D. Environment and Resources