题目内容
（请给出正确答案）
Scientists imagine such a change in weather on human population would be ______.
A．terrified
B．surprised
C．horrible
D．frightened
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更多“Scientists imagine such a chan…”相关的问题
Recent research suggests that the warming trend (倾向) of the past hundred years or so may be coming to an end. During the past ten years, scientists tell us that the temperature of the world has dropped a little. This would have effects on wind and rain in the weather picture.
Scientists believe clouds may be an important factor (因素) in changing the amount of heat on the earth. Another possibility is that man's agriculture and industry ways may affect the natural weather.
The weather of the world seems to be getting ______.
A．hotter
B．colder
C．warmer
D．freezing
What's the attitude scientists toward atomic bomb？ ______.
A．Pleased
B．Worried
C．Disapproved
D．Not mentioned
A.to travel...be attacked
B.of trave...being attacked
C.for travelling...to be attacked
D.travelling...being attacked
Scientists will have to___new approaches of increasing the world’s power supply.
A.put up with
B.catch up with
C.stand up for
D.come up with
A.stick to
B.come up with
C.carry out
D.lead to
At the beginning, how did many scientists view Peppeberg's work？
A． It would reveal a creature's mind.
B． It would probably end in failure.
C． It would be hard to judge its value.
D． It would be a long-term project.
According to Mr. Gretz, the present sum of money will enable the scientists to provide
A．more than 3% of the EEC's needs after the year 2000
B．only 3% of the EEC's needs before the year 2000
C．less than 3% of the EEC's needs before the year 2000
D．3% of the EEC's needs after the year 2000
A．they observe the principle that beauty is only skin-deep
B．they do not usually act according to the views they support
C．they give ordinary-looking persons the lowest ratings
D．they tend to base their judgment on the individual's accomplishments
Which of the following is true of Livingston？
A．He thinks he has discovered a new possibility in the link between sun spots and the weather on the Earth.
B．He has great doubts about the theory that the sun' s frequent changes have an influenced on the Earth' s climate.
C．He has been recently informed by other scientists of the possibility that more sun spots will appear.
D．He does not think the causes of the sun spots will be fully revealed by scientists in the near future.
It must have taken a great prehistoric thinker to imagine two thin slices of log connected, at their centers by a string stick, this would roll along just as the logs did, yet be much lighter and easier to handle, thus the wheel and axle came into being and with them the first cart.
The wheel is important because ______ .
A．it was man' s first real invention
B．all transportation depends on it
C．every machine depends on it
D．both B and C
