科学家们此前已经在月球上发现了冰存在的迹象，也在月球稀薄的大气中发现了水蒸气存在的迹象。
A: Scientists have previously found pieces of ice on the Moon and water drops in its thin atmosphere.
B: Scientists have found slices of ice on the Moon and water in its thin atmosphere.
C: Scientists have previously confirmed the evidence of ice on the Moon and water in its thin atmosphere.
D: Scientists have previously found signs of ice on the Moon and water vapor in its thin atmosphere.
A: Scientists have previously found pieces of ice on the Moon and water drops in its thin atmosphere.
B: Scientists have found slices of ice on the Moon and water in its thin atmosphere.
C: Scientists have previously confirmed the evidence of ice on the Moon and water in its thin atmosphere.
D: Scientists have previously found signs of ice on the Moon and water vapor in its thin atmosphere.
举一反三
- Have scientists found of water on Mars?
- 中国大学MOOC: 3. Earth’s climate changes over time — the last ice age is evidence of that — but it’s the rapid rate of change and the amount of the greenhouse gas carbon dioxide filling up the atmosphere that have scientists concerned.
- The atmosphere is as much a part of the earth as _______ its soil and water of its lakes, rivers and oceans. A: has B: do C: is D: are
- The atmosphere is as much a part of the earth as _________________ its soil and the water of its lakes, rivers and oceans. A: is B: do C: are D: has
- The atmosphere is as much a part of the earth as ______ its soils and the water of its lakes, rivers and oceans. A: are B: is C: do D: D. has