题目内容

It is claimed that introducing robots is__________
A too much energy
B based on American designs
C they are too costly
D they are not reliable
E good to quality control
F free of charge

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A gain
B welcome
C suit
D estimate

读下列等高线地图，其中序号与地形名称对应正确的是（）

A
B
C
D

A reached
B come
C arrived
D developed

Questions 8 to 10 are based e9n the following conversation. At the end of the conversation, you will be given. 15 seconds to answer the questions.
Now, listen to the conversation.
What are the speakers mainly talking about？
[A] The development of the concept of race.
[B] Three kinds of racial groups.
[C] A running event.
[D] A study report on race.