--- __----It’s a sunny day()
A.What is the weather
B.How is the weather like
C.How is the weather
C、How is the weather
A.What is the weather
B.How is the weather like
C.How is the weather
C、How is the weather
The sun's energy provides us with all EXCEPT _______.
A.rain
B.teal
C.water
D.light
The sun' s energy indirectly provides the earth with ______.
A.fuels
B.waterpower
C.light
D.both A and B
A.attack the sun as an unruly servant
B.give compliments to the mistress and her power of beauty
C.criticize the sun's intrusion into the lover's private life
D.lecture the sun on where true royalty and riches lie
Of the sun's total output of radiant energy, the earth receives______.
A.one tenth
B.one millionth
C.all that comes from the surface of the sun
D.a very small portion
Coal, oil, natural gas, and all other fuels are stored-up energy from the sun. Some was collect ed by this season's plants as carbon compounds. Some was stored by plants and trees ages ago.
Even waterpower derives from the sun. Water turned into vapor by the sun falls as rain. It courses down the mountains and is converted to electric power.
Light transmits only the energy that comes from the sun' s outer layers, and much of this energy that is directed toward the earth never arrives. About nine-tenths of it is absorbed by the atmosphere of the earth. In fact; the earth itself gets only one half-billionth of the sun' s entire output of radiant energy.
All the useful energy at the surface of the earth comes ______.
A.directly from the sun
B.from the sun' s activity
C.from energy stored by the sun
D.from radiation of the sun
During the day people can see light everywhere,because when the sun is up__________ .
A.it gives off light
B.it absorbs light
C.the earth’s atmosphere gives off light
D.the earth’s atmosphere absorbs sunlight
The expression "the cause of the disturbance" in paragraph 2 refers to______.
A. the large tidal wave
B. the powerful tidal pull
C. the star coming near the sun
D. one of the sun's planets
A.faded
B.fainted
C.paled
D.diminished
In order to support this argument, the writer gives the example that ______ .
A.a machine using solar energy efficiently has already been developed
B.the sun is our final source of power
C.man uses only a tiny part of the sun's energy
D.the part of the sun's energy we use is used indirectly
Which of the following statements in supported by the passage?
A.The sun shines constantly and gives out the same amount of energy every year.
B.The cause of the sun’S fluctuations is its loss of energy with each passing year
C.It is sure that the energy sent out by the sun will drop when more sun spots appear.
D.Fluctuations in weather pattems are the results of the pull of gravity.
A strange feature of the umbrella' s use is that it was used as ______.
A.protection against rain
B.a shade against the sun
C.a symbol of honour and power
D.a way of women' s decoration