更多"While some bacteria are beneficial,"的相关试题:
[单项选择]Some mushrooms are edible while others, which look almost identical, contain ______ poisons.
A. deadly
B. hasty
C. dizzy
D. gloomy
[单项选择]Please listen carefully while others （）.
A. speak
B. speaking
C. spoken
D. spoke
[单项选择]While others sat at home studying papers on the subject, Jefferson got into a boat and made （） observations.
A. of-the-spot
B. in-the-spot
C. at-the-spot
D. on-the-spot
[单项选择]Some professors prefer to control discussion while others prefer to guide the class without ______ it.
A. enforcing
B. dominating
C. enhancing
D. disposing
[单项选择]While sleeping, some water mammals tend to keep half awake in order to______.
A. alert themselves to the approaching enemy
B. emerge from water now and then to breathe
C. be sensitive to the ever-changing environment
D. avoid being swept away by rapid currents
[单项选择]Don't try to interrupt while others are talking.
A. cut down
B. cut in
C. cut up
D. cut off
[单项选择]But what makes some figures icons and others mere celebrities In part, their lives have the quality of a story.（ ）
A. ...their lives are very unusual.
B. ...their lives are lull of adventures.
C. ...they have encountered extreme difficulties.
D. ...they have experienced great joys and sorrows.
[单项选择]
Passage 1
Are some people born clever and others born stupid Or is intelligence developed by our environment and our experience Strangely enough, the answer to these questions is yes. To some extent our intelligence is given us at birth. On the other hand, a child who lives in boring environment will develop his intelligence less than one who lives in rich and varied surroundings. Thus the limits of a person’ s intelligence are fixed at birth, whether or not he reaches those limits will depend on his environment. This view, now held by most experts, can be supported in a number of ways.
It is easy to show that intelligence is to some extent something we are born with. The closer the blood relationship between two people, the closer they likely to be in intelligence. Thus if we take two unrelated people at random from the population, it is likely that their degree of intelligence will be completely different. If,on the other hand, we take two identical
A. at birth
B. both at birth and through education
C. through education
D. neither at birth nor through education
[单项选择]Some minerals are quite common, others are regionally _________, and still others are rare on the earth.
A. attributed
B. distributed
C. contributed
D. scattered
[单项选择]Some American colleges are state-supported, others are privately _______, and still others are supported by religious organizations.
A. ensured
B. attributed
C. authorized
D. endowed
