理工類-語法詞匯（11月22日）_職稱英語網(wǎng)校

單選題

In Britain, robot sales appropriately peaked in 1984, but have been declining ever since. This is partly because, British wage rates are too low to make robots financially attractive and partly because engineers now have more experience with robots and are more aware of the difficulties of introducing them effectively.

Robots are less popular in Britain today partly because __________.

A、too much energy

B、based on American designs

C、they are too costly

D、they are not reliable

【正確答案】 C

【答案解析】 本段第二句就是講的兩個原因，即人們的工資水平太低，也就是沒有能力使機器人發(fā)揮出創(chuàng)造財富的作用，言下之意就是成本高。第二個原因就是人們逐漸意識到了操縱機器人不是件容易的事情，所以使用率就下降了。所以應(yīng)該選C。

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