Without the sun's light _____ the earth's surface, it would be so cold that l
A.warms
B.warmed
C.warming
D.to warm
A.warms
B.warmed
C.warming
D.to warm
第1题
Without sun's light ______ the earth's surface, no life could exist on the earth.
A.warms
B.warmed
C.to warm
D.warming
第2题
Without sun's light ______ the earth's surface, no life could exist on the earth.
A.warms
B.warmed
C.to warm
D.warming
第3题
Without sun's light ______ the earth's surface, no life could exist on the earth.
A.warms
B.warmed
C.to warm
D.warming
第4题
The reflected light would sweep slowly along the surface of the earth because the mirrors
A.would be operated by solar-powered engines
B.could be made to adjust their angles
C.could move around the earth at the same speed as the earth turns on its axis
D.would orbit thousands of miles high to catch the sun's light
第5题
A.to
B.between
C.for
D.from
第6题
A) What B) That C) The fact D) The matter
第7题
A、on
B、about
C、for
D、of
第9题
A. that is
B. which is
C. as is
D. what are
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