单项选择题

Questions 4 to 7 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions. Now listen to the conversation. Besides their source of energy, what is major difference between archaean and bacteria

A．Their genetics.
B．Their size.
C．What they look like.
D．The amount of energy they need.

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单项选择题

What kind of scene might be shown in a typical regionalist painting

A．People wording in a large factory.
B．People walking on crowded city streets.
C．An everyday activity in a small town.
D．A well-known historical event.

单项选择题

Why has the award been granted to the IAEA

A．Because nuclear energy is much more important than other resources.
B．Because the agency has been promoting the safe use of nuclear energy.
C．Because the agency has done a lot of work.
D．Because the agency plays a very important role in the UN.

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