单项选择题
| What a fine day! The sun (41)
and everything (42) bright. Can you feel you
(43) when you stand in the sun The sun gives heat from far
away. It is about one hundred and fifty million kilometers (44)
. The sun looks small because it is far from us, but it is
(45) very huge. The earth moves around the sun. It (46) one year for the earth to go around the sun. And at the same time the earth (47) is moving around once every twenty-four hours. The sun gives us light. It keeps us (48) . It makes things (49) . Plants, animals and people need the sun. We can’t live (50) the sun. |