问题:
A、many B、a lot of C、few D、a few
问题:
A、expressB、divideC、influenceD、voice
问题:
A、influenceB、expressC、divideD、voice
问题:
A、happyB、aloneC、busyD、energetic
问题:
A、happyB、energeticC、aloneD、busy
问题:
A、energeticB、happyC、aloneD、busy
问题:
A、irritated B、awakened C、arisen D、annoyed
问题:
A、irritatedB、awakenedC、arisenD、annoyed
问题:
A、giveB、attachC、loseD、understand
问题:
A、displayed B、shown C、changed D、demonstrated
问题:
A、kill microorganisms related to chicken pox,the flu,etcB、keep themselves away from viruses because they are invisibleC、stay away from viruses because...
问题:
A、Its width is one tenth of a hair. B、It equals the width of a hair.C、It is as thin as a piece of paper. D、Its width is too tiny to measure.
问题:
A、It is made of metal.B、It is a kind of watch battery.C、It can only be seen with a microscope.D、It is a metallic disk with viruses inside it.
问题:
A、It is finding ways to get rid of viruses.B、It is mass-producing micro-batteries.C、It is making batteries with viruses.D、It is analyzing virus genes.
问题:
A、Broaden. B、Spread. C、Extend. D、Expand.