问题:
A、to go to school.B、to take photos.C、to make wooden frames.D、to be highly successful.
问题:
A、Build.B、a German worker.C、a pretty girl.D、a shapely woman.
问题:
A、She does not attract young men.B、She has undergone many changes over the years.C、She is 11.5 inches tall.D、She has managed to keep up with fashion.
问题:
A、Mattson.B、Elliot.C、Ruth and Elliot Handler.D、Harold Mattson,Ruth and Elliot Handler.
问题:
A、Barbie.B、Lilli.C、Charlotte Johnson.D、A fashion designer.
问题:
A、erected a pressure-releasing pipe in the lake.B、identified the gases at the bottom of the lake.C、built a beautiful fountain near the lakes.D、removed...
问题:
A、Scientists are planning to install pipes in all crater lakes.B、Scientists still do not know how to prevent gas explosions.C、Explosion disasters coul...
问题:
A、Water will flow down the hills.B、Poisonous gases will be released suddenly.C、A strong wind will rise from the lakes.D、The volcanoes will come to lif...
问题:
A、the gases rise to the top and mix with air.B、people from the villages turn over the water.C、scientists have put in a computer system.D、they have mor...
问题:
A、They were formed in 1984.B、They are at the top of two active volcanoes.C、They are not like most other crater lakes.D、Water in them turns over regula...
问题:
A、as good as wool.B、as good as an insect‘s body.C、not as good as natural materials.D、better than natural materials.
问题:
A、Biotechnology can solve all our future energy problems.B、Biological power is cheaper than nuclear power.C、Biological power may not be as dangerous a...
问题:
A、electronics.B、biotechnology.C、genetic engineering.D、nuclear technology.
问题:
A、to make something as good as human skin.B、to produce drugs without side effects.C、to transplant human organs.D、to make artificial hearts and eyes.
问题:
A、biological power sources would be put into use soon.B、oil,gas and coal could be repeatedly used in the future.C、dependence on non-renewable power so...