How long is a nanometer?
A、one billionth of a meter
B、one millionth of a meter
C、one ten-thousandth of a meter
D、one thousandth of a meter
A、one billionth of a meter
B、one millionth of a meter
C、one ten-thousandth of a meter
D、one thousandth of a meter
A、higher; higher
B、higher; lower
C、lower; higher
D、lower; lower
A、improve human’s life quality
B、displace traditional technology
C、change human’s life style
D、be applied in many aspects of daily life
A、to spend time in a lazy way
B、to stop them working
C、(machines, factories)not working or being used
D、having no jobs or work
A、providing the energy that the machine needs in order to work
B、energy, especially electricity
C、the ability to do something
D、it is used in the expression to indicate that two must be multiplied by itself four times
A、an area of grass, for example in a park or on a farm
B、an area of land or sea bed under which large amounts of a particular mineral have been found
C、an area in which that particular force is strong enough to have an effect
D、a particular subject of study or type of activity
A、Consulting the dictionary.
B、Based on the basic meaning of the vocabulary.
C、Based on the context of the sentence.
D、All of the above.
A、Academic English is the same with the English people speak and write everyday.
B、Speciality vocabulary is concerned about a particular field of science.
C、A strategy for working out the meaning is to look at how a word is constructed.
D、We should get the right meaning rather than the almost right meaning of the vocabulary.
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