A-A+
Which of the following is true about the devic
问题详情
Which of the following is true about the device mentioned in the passage？
A．It has a large gear and a smaller gear.
B．It"s easy to use, but difficult to move.
C．It"s quite cheap.
D．It"s still being tested.
参考答案
正确答案：D
解析：本题是推断题。问关于文章讲的这种设备，哪项是正确的。根据文章第一段结尾处和第二段，可以知道A、B两项与文章意思相反。C项关键是看到quite这个词，是"完全，彻底"的意思，比较绝对，因此排除。所以选D。
