The planet Venus is almost exactly the same size and mass __________ Earth, with a similar interior, including a nickel-iron core.
A: to
B: as
C: is
D: than
A: to
B: as
C: is
D: than
举一反三
- Which planet is the easiest for people to see in the sky, Earth, Mercury, Venus or Jupiter
- The reason why colonists will probably live longer is that ________. A: their hearts will suffer less strain than on the earth B: they live in a less crowded and less polluted world C: the days and nights on Venus are much longer than on the earth D: the life on Venus will be more comfortable than on the earth
- 2. Carl Sagan believes that Venus might be colonized from earth because ____. A: it might be possible to change its atmosphere B: its atmosphere is the same as the earth’s C: there is a good supply of water on Venus D: the days on Venus are long enough
- The two items are____ in shape. A: almost the same B: similar (adj.)
- The mass of a single iron atom is 9.3 × 10–23 g. Determine the number if iron atoms in regular cube that measures exactly 10 cm on an edge. The density of iron is 7.86 g/cm3 ( )